{"id":298,"date":"2023-07-06T16:09:27","date_gmt":"2023-07-06T16:09:27","guid":{"rendered":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/"},"modified":"2023-07-06T16:09:27","modified_gmt":"2023-07-06T16:09:27","slug":"discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos","status":"publish","type":"post","link":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/","title":{"rendered":"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano"},"content":{"rendered":"<p>Nesta se\u00e7\u00e3o veremos <strong>como discutir e resolver um sistema de equa\u00e7\u00f5es pelo m\u00e9todo de Gauss-Jordan<\/strong> . Ou seja, determine se \u00e9 um sistema compat\u00edvel determinado (DCS), um sistema compat\u00edvel indeterminado (ICS) ou um sistema incompat\u00edvel. Al\u00e9m disso, voc\u00ea encontrar\u00e1 exemplos e exerc\u00edcios resolvidos para que possa praticar e assimilar perfeitamente os conceitos.<\/p>\n<p> Para entender o que vamos explicar a seguir, \u00e9 importante que voc\u00ea j\u00e1 saiba como resolver um sistema pelo <a href=\"https:\/\/mathority.org\/pt\" target=\"_blank\" aria-label=\"undefined (abre en una nueva pesta\u00f1a)\" rel=\"noreferrer noopener\">m\u00e9todo Gauss<\/a> , por isso recomendamos que voc\u00ea d\u00ea uma olhada antes de continuar.<\/p>\n<h2 class=\"wp-block-heading\"> Sistemas compat\u00edveis determinados pelo m\u00e9todo Gauss<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> Contanto que a \u00faltima linha da matriz gaussiana seja<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e51d504887586898a4b88863a128c8e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(0 \\ 0 \\ n \\ | \\ m)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" style=\"vertical-align: -5px;\"><\/p>\n<p> , ser<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p> E<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<p> quaisquer dois n\u00fameros, este \u00e9 um <strong>SCD<\/strong> (System Compat\u00edvel Determinado). Portanto, o sistema <strong>possui uma solu\u00e7\u00e3o \u00fanica<\/strong> .<\/p>\n<p> A grande maioria dos sistemas s\u00e3o SCD.<\/p>\n<h3 class=\"wp-block-heading\"> Exemplo:<\/h3>\n<p> Por exemplo, temos este sistema:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bab5d5823e45833aa691a3510a2a23eb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} 3x+2y-z=1 \\\\[2ex] 3x+8y+z=1\\\\[2ex] 6x+4y-z=-1 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"157\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Cuja matriz expandida \u00e9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1f8daea11edeedfd6b86bb251fe19032_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} 3x+2y-z=1 \\\\[2ex] 3x+8y+z=1\\\\[2ex] 6x+4y-z=-1 \\end{array} \\right\\}} \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c} 3 &amp; 2 &amp; -1 &amp; 1 \\\\[2ex] 3 &amp; 8 &amp; 1 &amp; 1 \\\\[2ex] 6 &amp; 4 &amp; -1 &amp; -1 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"364\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Para resolver o sistema precisamos operar nas linhas da matriz e converter todos os elementos abaixo da diagonal principal em 0. Ent\u00e3o da segunda linha subtra\u00edmos a primeira linha e da terceira linha subtra\u00edmos a primeira linha multiplicada por 2:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d68ac25745ddc71d1e7f55f68dd4ea7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}  3 &amp; 2 &amp; -1 &amp; 1 \\\\[2ex] 3 &amp; 8 &amp; 1 &amp; 1 \\\\[2ex] 6 &amp; 4 &amp; -1 &amp; -1 \\end{array} \\right) \\begin{array}{c}   \\\\[2ex] \\xrightarrow{f_2 -f_1}    \\\\[2ex] \\xrightarrow{f_3 -2f_1} &amp; \\end{array} \\left( \\begin{array}{ccc|c}   3 &amp; 2 &amp; -1 &amp; 1 \\\\[2ex] 0 &amp; 6 &amp; 2 &amp; 0 \\\\[2ex] 0 &amp; 0 &amp; 1 &amp; -3  \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"385\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Uma vez que todos os n\u00fameros abaixo da diagonal principal sejam 0, voltamos para passar o sistema para a forma de equa\u00e7\u00e3o:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4457f1b034e72c6945bfe609eff52b9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 3 &amp; 2 &amp; -1 &amp; 1 \\\\[2ex] 0 &amp; 6 &amp; 2 &amp; 0 \\\\[2ex] 0 &amp; 0 &amp; 1 &amp; -3 \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} 3x+2y-z=1 \\\\[2ex] 6y+2z=0\\\\[2ex] 1z=-3 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"357\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Ent\u00e3o esse sistema \u00e9 <strong>SCD<\/strong> , pois a matriz \u00e9 deslocada e a \u00faltima linha \u00e9 do tipo<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5d701f6e0afb7579229228d226ee2186_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0 \\ 0 \\ n \\ | \\ m)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" style=\"vertical-align: -5px;\"><\/p>\n<p> . Portanto, resolvemos como sempre: eliminando as inc\u00f3gnitas das equa\u00e7\u00f5es de baixo para cima.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0c5e90a86787314220c31ecd60d6f199_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1z=-3\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"64\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-208c30aafe1c4928acff3cce03097853_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z = \\cfrac{-3}{1}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"66\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-67c7c1bd6ec188bc7f07448caa4fb8e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z=-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>Agora que sabemos z, substitu\u00edmos seu valor na segunda equa\u00e7\u00e3o para encontrar o valor de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p> : <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1db2032db54c788fd661ffa5111bf6b2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6y+2z=0\\ \\xrightarrow{z \\ = \\ -3} \\ 6y+2(-3)=0\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"287\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-131539e858428b6f26babc9730564d48_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6y-6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"81\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ee31c7e143e7eebbe4f91b706e908a94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6y=6\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"51\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5283f114522b33a4ac33f83cd7b40124_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=\\cfrac{6}{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"44\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5489dac6d2be260d4a09edf4813fa93b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y=1}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"41\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> E por fim, fazemos o mesmo com a primeira equa\u00e7\u00e3o: substitu\u00edmos os valores das outras inc\u00f3gnitas e resolvemos<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> : <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d5505444d34955415e012a46af45f09b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x+2y-z=1 \\ \\xrightarrow{y \\ = \\ 1 \\ ; \\ z \\ = \\ -3} \\ 3x+2(1)-(-3)=1\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"416\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-65525763652f9a055c86603030aec3fe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x+2+3=1\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"112\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-28feb5b7617223f938a89688d2e12037_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x=1-2-3\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"113\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-be5c4a85a1f5bd3fed2fe2f669a32357_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x=-4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"66\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bf1c9bbd516dc5ab91aebc6a04b12ead_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-4}{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"67\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-176fc9e917ed897eefe381de76f1fe4d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x= -}\\cfrac{\\bm{4}}{\\bm{3}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"58\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> A solu\u00e7\u00e3o do sistema de equa\u00e7\u00f5es \u00e9, portanto:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-42de799d301318c37cbb28213dba5bf6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x= -}\\cfrac{\\bm{4}}{\\bm{3}} \\qquad \\bm{y=1} \\qquad \\bm{z=-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"227\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> Sistemas incompat\u00edveis pelo m\u00e9todo de Gauss<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> Quando na matriz de Gauss temos uma linha com tr\u00eas 0s consecutivos e um n\u00famero<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b7185fdc91d65f5980afc39d3554b074_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(0 \\ 0 \\ 0 \\ | \\ n)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"78\" style=\"vertical-align: -5px;\"><\/p>\n<p> , \u00e9 um <strong>SI<\/strong> (Sistema Incompat\u00edvel) e, portanto, o sistema <strong>n\u00e3o tem solu\u00e7\u00e3o<\/strong> .<\/p>\n<h3 class=\"estil_titol_H3 wp-block-heading\"> Exemplo:<\/h3>\n<p> Por exemplo, imagine que ap\u00f3s operar com a matriz gaussiana de um sistema, ficamos com:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-defe65fa616eff800314ebc6dc6f552b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 4 &amp; 1 &amp; -1 &amp; 0 \\\\[2ex] 0 &amp; 3 &amp; 1 &amp; -1 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 2 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"149\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Como a \u00faltima linha \u00e9<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8f44bbccb21c7112a3bbc67f6c4f1d8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0 \\ 0 \\ 0 \\ | \\ 2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"76\" style=\"vertical-align: -5px;\"><\/p>\n<p> , ou seja, tr\u00eas 0s seguidos de um n\u00famero no final, \u00e9 um <strong>SE<\/strong> (Sistema Incompat\u00edvel) e, portanto, <strong>o sistema n\u00e3o tem solu\u00e7\u00e3o<\/strong> .<\/p>\n<p> Embora n\u00e3o seja necess\u00e1rio saber, a seguir voc\u00ea ver\u00e1 porque n\u00e3o tem solu\u00e7\u00e3o.<\/p>\n<p> Se pegarmos a \u00faltima linha, ter\u00edamos esta equa\u00e7\u00e3o:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-03ecf1cf353eb7dcd6a343a8306df351_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0 \\ 0 \\ 0 \\ | \\ 2) \\ \\longrightarrow \\ 0z = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"177\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Esta equa\u00e7\u00e3o nunca ser\u00e1 cumprida, porque qualquer que seja o valor <em>que z<\/em> assuma, multiplic\u00e1-lo por 0 nunca dar\u00e1 2 (qualquer n\u00famero multiplicado por 0 sempre dar\u00e1 0). E como esta equa\u00e7\u00e3o nunca ser\u00e1 cumprida, o sistema n\u00e3o tem solu\u00e7\u00e3o.<\/p>\n<h2 class=\"wp-block-heading\"> Sistemas compat\u00edveis indeterminados pelo m\u00e9todo gaussiano<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> Sempre que uma linha da matriz gaussiana \u00e9 preenchida com 0<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-982c672f4c665a863d3047ebc079aae5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(0 \\ 0 \\ 0 \\ | \\ 0)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"76\" style=\"vertical-align: -5px;\"><\/p>\n<p> , \u00e9 um <strong>SCI<\/strong> (Sistema Compat\u00edvel Indeterminado) e, portanto, o sistema <strong>possui infinitas solu\u00e7\u00f5es<\/strong> .<\/p>\n<p> Vejamos um exemplo de como resolver um ICS:<\/p>\n<h3 class=\"wp-block-heading\"> Exemplo:<\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-18a63dfebc1f23923714e475aad2e808_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] 2x+3y-1z=-2 \\\\[2ex] 3x+4y+z=4 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"166\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Como sempre, primeiro fazemos a <strong>matriz expandida do sistema<\/strong> :<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f273040101827fdfea5c9a4858be5567_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] 2x+3y-1z=-2 \\\\[2ex] 3x+4y+z=4 \\end{array} \\right\\} \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 2 &amp; 3 &amp; -1 &amp; -2 \\\\[2ex] 3 &amp; 4 &amp; 1 &amp; 4 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"373\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Agora queremos que todos os n\u00fameros abaixo da diagonal principal sejam 0. Ent\u00e3o, \u00e0 segunda linha adicionamos a primeira linha multiplicada por -2:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a5b1c48f6fb4af86886d5388f2b2a0b7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{lrrr|r}  &amp;2 &amp; 3 &amp; -1 &amp; -2  \\\\ + &amp; -2 &amp; -2 &amp; -4 &amp; -12  \\\\ \\hline &amp; 0 &amp; 1 &amp; -5 &amp; -14  \\end{array} \\begin{array}{l} \\color{blue}\\bm{\\leftarrow f_2} \\\\ \\color{blue}\\bm{\\leftarrow -2f_1} \\\\ \\phantom{hline} \\\\ \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"68\" width=\"295\" style=\"vertical-align: -29px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c889a6f147c6b0430731aa778121af52_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}  1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 2 &amp; 3 &amp; -1 &amp; -2 \\\\[2ex] 3 &amp; 4 &amp; 1 &amp; 4\\end{array} \\right) \\begin{array}{c}   \\\\[2ex]  \\xrightarrow{f_2 -2f_1}  \\\\[2ex] &amp; \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 3 &amp; 4 &amp; 1 &amp; 4 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"394\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Para converter 3 em 0, na terceira linha adicionamos a primeira linha multiplicada por -3:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-53df3b7a8935a9c979dc450463a25b1f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{lrrr|r}  &amp; 3 &amp; 4 &amp; 1 &amp; 4 \\\\ + &amp; -3 &amp; -3 &amp; -6 &amp; -18  \\\\  \\hline &amp; 0 &amp; 1 &amp; -5 &amp; -14  \\end{array} \\begin{array}{l} \\color{blue}\\bm{\\leftarrow f_3} \\\\ \\color{blue}\\bm{\\leftarrow -3f_1} \\\\ \\phantom{hline} \\\\ \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"68\" width=\"295\" style=\"vertical-align: -29px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c5acccc51108267fef6d3320068743aa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}  1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 3 &amp; 4 &amp; 1 &amp; 4 \\end{array} \\right) \\begin{array}{c}   \\\\[2ex]    \\\\[2ex] \\xrightarrow{f_3 -3f_1} &amp; \\end{array} \\left( \\begin{array}{ccc|c}  1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"403\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Para converter o 1 da \u00faltima linha em 0, na terceira linha adicionamos a segunda linha multiplicada por -1:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a386320e49668f86c83fa99665df4851_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{lrrr|r}  &amp; 0 &amp; 1 &amp; -5 &amp; -14   \\\\ + &amp; 0 &amp; -1 &amp; 5 &amp; 14  \\\\ \\hline &amp; 0 &amp; 0 &amp; 0 &amp; 0  \\end{array} \\begin{array}{l} \\color{blue}\\bm{\\leftarrow f_3} \\\\ \\color{blue}\\bm{\\leftarrow -1f_2} \\\\ \\phantom{hline} \\\\ \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"68\" width=\"282\" style=\"vertical-align: -29px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a02e4819adfbe7b80d2952f87f113757_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}   1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\end{array} \\right) \\begin{array}{c}   \\\\[2ex]    \\\\[2ex] \\xrightarrow{f_3 -1f_2} &amp; \\end{array} \\left( \\begin{array}{ccc|c}   1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"403\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Como <strong>a \u00faltima linha \u00e9 toda 0<\/strong> , podemos remov\u00ea-la:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6aea469dceab08e6aa62571922eb2824_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0  \\end{array} \\right) \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c}   1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"376\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> E como tivemos uma linha inteira preenchida com 0s, este \u00e9 um <strong>SCI.<\/strong><\/p>\n<p> Terminamos, portanto, com o seguinte sistema:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-598c031f4cba5a865952a57ed46f0f95_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}   1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14  \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] y-5z=-14 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"357\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> Quando o sistema \u00e9 um SCI, \u00e9 necess\u00e1rio retirar o valor do par\u00e2metro de um valor desconhecido<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> . E <strong>precisamos resolver o sistema com base neste par\u00e2metro<\/strong><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ff991fffb1b86160766a7edd85fcb4f2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> .<\/p>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<p> Portanto, atribu\u00edmos o valor de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> para <em>z<\/em> :<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-67f77b7061fcc45e08104094a17ece7f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z = \\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Embora tamb\u00e9m pud\u00e9ssemos ter escolhido qualquer outra inc\u00f3gnita para assumir o valor de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> .<\/p>\n<p> Agora isolamos <em>y<\/em> da segunda equa\u00e7\u00e3o e deixamos que seja uma fun\u00e7\u00e3o de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> : <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-adaf77dbbf7d0556e9d53db96af6bef9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-5z=-14 \\ \\xrightarrow{z \\ = \\ \\lambda} \\  y-5(\\lambda )= -14\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"294\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0d7706e1d35463a9926dbc303cb4ab43_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-5\\lambda=-14\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"106\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-32e5a1e5b147d0473cc608b87aa89494_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =-14+  5\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"105\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> E finalmente exclu\u00edmos <em>x<\/em> da primeira equa\u00e7\u00e3o e tamb\u00e9m o deixamos como uma fun\u00e7\u00e3o de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> : <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-71ea139c729093d688e98a581fd329dc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x+y+2z=6 \\ \\xrightarrow{ y \\ = \\ -14 + 5\\lambda \\ ; \\ z \\ = \\  \\lambda } \\ x+ (-14+ 5\\lambda )+2(\\lambda ) = 6\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"484\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-aa2f4abf72f8d384d6767f8c05e565eb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x-14 +5\\lambda +2\\lambda = 6\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"164\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-25822a08cad8c0b1899177dbcdf85545_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=14- 5\\lambda -2\\lambda + 6\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"164\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7314023de779f37d222132402c95b418_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=20- 7\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"92\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> As solu\u00e7\u00f5es do sistema s\u00e3o, portanto:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c67a3cb191f6fadc69e98891cd55b932_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z = \\lambda} \\qquad \\bm{y =-14+ 5\\lambda } \\qquad \\bm{x=20 - 7\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"311\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Como voc\u00ea pode ver, quando o sistema \u00e9 SCI deixamos as solu\u00e7\u00f5es dependendo do par\u00e2metro<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> . E lembre-se que tem infinitas solu\u00e7\u00f5es, pois dependendo do valor que leva<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> , a solu\u00e7\u00e3o ser\u00e1 uma ou outra.<\/p>\n<p> Antes de passar aos exerc\u00edcios resolvidos, voc\u00ea deve saber que embora neste artigo utilizemos o m\u00e9todo de Gauss, outra forma de discutir e resolver sistemas de equa\u00e7\u00f5es lineares \u00e9 <a href=\"https:\/\/mathority.org\/pt\/teorema-de-de-rouche-frobenius-com-exemplos-e-exercicios-resolvidos\/\">o teorema de Rouche<\/a> . Na verdade, provavelmente \u00e9 mais usado.<\/p>\n<h2 class=\"wp-block-heading\"> Exerc\u00edcios resolvidos para discuss\u00e3o de sistemas de equa\u00e7\u00f5es pelo m\u00e9todo Gauss-Jordan <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-118\"><\/div>\n<\/div>\n<h3 class=\"wp-block-heading\"> Exerc\u00edcio 1<\/h3>\n<p> Determine que tipo de sistema est\u00e1 envolvido e resolva o seguinte sistema de equa\u00e7\u00f5es usando o m\u00e9todo de Gauss: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-be4ba1bd1ce7452e66c5189d995d948c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] 2x+3y+5z=8 \\\\[2ex] 3x+3y+6z=9  \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"152\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>veja solu\u00e7\u00e3o<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> A primeira coisa que precisamos fazer \u00e9 a matriz estendida do sistema:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b600f3fc0d79a06eb972dbacb673a780_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] 2x+3y+5z=8 \\\\[2ex] 3x+3y+6z=9 \\end{array} \\right\\}  \\longrightarrow \\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex]  2 &amp; 3 &amp; 5 &amp; 8 \\\\[2ex] 3 &amp; 3 &amp; 6 &amp; 9 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"320\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Agora precisamos fazer com que todos os n\u00fameros abaixo do array principal sejam 0.<\/p>\n<p class=\"has-text-align-left\"> Portanto, realizamos opera\u00e7\u00f5es de linha para cancelar os dois \u00faltimos termos da primeira coluna:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a1d832d5bb115666614ae96822c360eb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex]  2 &amp; 3 &amp; 5 &amp; 8 \\\\[2ex]3 &amp; 3 &amp; 6 &amp; 9 \\end{array} \\right) \\begin{array}{c} \\\\[2ex] \\xrightarrow{f_2 - 2f_1} \\\\[2ex] \\xrightarrow{f_3 - 3f_1}&amp; \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; 1 &amp; -4 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; -9 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"344\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Obtivemos uma linha da matriz composta por tr\u00eas 0s seguidos de um n\u00famero. \u00c9 portanto um <strong>SI<\/strong> (Sistema Incompat\u00edvel) e o sistema <strong>n\u00e3o tem solu\u00e7\u00e3o.<\/strong><\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> Exerc\u00edcio 2<\/h3>\n<p> Determine que tipo de sistema \u00e9 e encontre a solu\u00e7\u00e3o para o seguinte sistema de equa\u00e7\u00f5es usando o m\u00e9todo de Gauss: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7f5aba495f2c6a301e923ee3c6238012_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x-2y+3z=1 \\\\[2ex] -2x+5y-z=5 \\\\[2ex] -x+3y+2z=6 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"156\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>veja solu\u00e7\u00e3o<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> A primeira coisa que precisamos fazer \u00e9 a matriz estendida do sistema:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f8bb5e5ab85946bddad72067fe17d937_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x-2y+3z=1 \\\\[2ex] -2x+5y-z=5 \\\\[2ex] -x+3y+2z=6  \\end{array} \\right\\}  \\longrightarrow \\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex]  -2 &amp; 5 &amp; -1 &amp; 5 \\\\[2ex] -1 &amp; 3 &amp; 2 &amp; 6 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"365\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Agora precisamos fazer com que todos os n\u00fameros abaixo do array principal sejam 0.<\/p>\n<p class=\"has-text-align-left\"> Portanto, realizamos opera\u00e7\u00f5es de linha para cancelar os dois \u00faltimos termos da primeira coluna:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-83e48becaaa6683719ac57eb7d118943_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex]  -2 &amp; 5 &amp; -1 &amp; 5 \\\\[2ex] -1 &amp; 3 &amp; 2 &amp; 6 \\end{array} \\right) \\begin{array}{c} \\\\[2ex] \\xrightarrow{f_2 + 2f_1} \\\\[2ex] \\xrightarrow{f_3 + f_1}  \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"385\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Agora vamos tentar remover o \u00faltimo elemento da segunda coluna:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-16a1afc0eb224ee5f05c9e313586854d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7  \\end{array} \\right) \\begin{array}{c} \\\\[2ex]  \\\\[2ex] \\xrightarrow{f_3 -f_2} \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"351\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Mas obtemos uma linha inteira de 0s. Portanto, este \u00e9 um <strong>SCI<\/strong> e o sistema tem <strong>infinitas solu\u00e7\u00f5es.<\/strong><\/p>\n<p class=\"has-text-align-left\"> Mas como \u00e9 um ICS, podemos resolver o sistema com base em<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> . Portanto, exclu\u00edmos a linha 0:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c838c5f1b229d4c8a43ac9ddd8e3629_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right) \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"331\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Expressamos agora a matriz na forma de um sistema de equa\u00e7\u00f5es com inc\u00f3gnitas:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b3fd941d33fec646d16b8181430c9986_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7  \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} 1x-2y+3z=1 \\\\[2ex] 1y+5z=7 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"352\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Damos o valor de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> Para<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bc71729520f0274771a717ce2c320783_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"18\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-abcd65ca2a131b846dcf56a5af3e8288_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z = \\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Substitu\u00edmos o valor de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> na segunda equa\u00e7\u00e3o para encontrar o valor de <\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a70e6a4387a816f153e8597195143f54_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y :\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"18\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ef9d3e908b97a8fa0fc67ffbc41e1b9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1y+5z=7 \\ \\xrightarrow{z \\ = \\ \\lambda} \\ 1y+5(\\lambda )=7\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"265\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c7b130da4f2704ffbf775f40ee7a3d5d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y+5\\lambda =7\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-88c6088a22d57673e995b351f06c1e0d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y=7-5\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"82\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> E fazemos o mesmo com a primeira equa\u00e7\u00e3o: substitu\u00edmos os valores das outras inc\u00f3gnitas e apagamos <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0a2431573b3a6b42537cbb0647aae6db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a42277e0281993d410553779736ed6ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1x-2y+3z=1 \\ \\xrightarrow{y \\ = \\ 7-5\\lambda \\ ; \\ z \\ = \\ \\lambda} \\ 1x-2(7-5\\lambda )+3(\\lambda )=1\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"477\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8160e68cd793ee02ea9bdf693739d9de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x-14+10\\lambda+3\\lambda=1\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"172\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2d0cc29914223f805421366e5a6163e8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=1+14-10\\lambda-3\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"172\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ba56c9f5b4e3df85c8487bbf22c468f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=15-13\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"101\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> A solu\u00e7\u00e3o do sistema de equa\u00e7\u00f5es \u00e9, portanto: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1457d59269c1eecd481f141507f7ca94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=15-13\\lambda} \\qquad \\bm{y=7-5\\lambda} \\qquad \\bm{z = \\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"298\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-119\"><\/div>\n<\/div>\n<h3 class=\"wp-block-heading\"> Exerc\u00edcio 3<\/h3>\n<p> Descubra que tipo de sistema \u00e9 e resolva o seguinte sistema de equa\u00e7\u00f5es pelo m\u00e9todo de Gauss: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b04370b42854e53c650ca0eae14aadb5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} 4x-4y+z=-4 \\\\[2ex] x+3y+z=2 \\\\[2ex] x+5y+2z=6 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"157\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>veja solu\u00e7\u00e3o<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> A primeira coisa que precisamos fazer \u00e9 a matriz estendida do sistema:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ff2c7644e19fdf405f3c5c42ffc0ee98_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} 4x-4y+z=-4 \\\\[2ex] x+3y+z=2 \\\\[2ex] x+5y+2z=6\\end{array} \\right\\}  \\longrightarrow \\left( \\begin{array}{ccc|c} 4 &amp; -4 &amp; 1 &amp; -4 \\\\[2ex]  1 &amp; 3 &amp; 1 &amp; 2 \\\\[2ex] 1 &amp; 5 &amp; 2 &amp; 6 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"352\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Para aplicar o m\u00e9todo de Gauss, \u00e9 mais simples se o primeiro n\u00famero da primeira linha for 1. Portanto, alteraremos a ordem das linhas 1 e 2:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-471d89605d4bf6ddef1896a8fbe4c5ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 4 &amp; -4 &amp; 1 &amp; -4 \\\\[2ex]  1 &amp; 3 &amp; 1 &amp; 2 \\\\[2ex] 1 &amp; 5 &amp; 2 &amp; 6 \\end{array} \\right) \\begin{array}{c} \\xrightarrow{f_1 \\rightarrow f_2} \\\\[2ex] \\xrightarrow{f_2 \\rightarrow f_1} \\\\[2ex] &amp; \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 4 &amp; -4 &amp; 1 &amp; -4 \\\\[2ex] 1 &amp; 5 &amp; 2 &amp; 6  \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"101\" width=\"381\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Agora precisamos fazer com que todos os n\u00fameros abaixo do array principal sejam 0.<\/p>\n<p class=\"has-text-align-left\"> Portanto, realizamos opera\u00e7\u00f5es de linha para cancelar os dois \u00faltimos termos da primeira coluna:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f4d5cbc50b87927077018175c4678e90_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}  1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 4 &amp; -4 &amp; 1 &amp; -4 \\\\[2ex] 1 &amp; 5 &amp; 2 &amp; 6 \\end{array} \\right) \\begin{array}{c} \\\\[2ex] \\xrightarrow{f_2 - 4f_1} \\\\[2ex] \\xrightarrow{f_3 -f_1} \\end{array} \\left( \\begin{array}{ccc|c}  1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 0 &amp; -16 &amp; -3 &amp; -12 \\\\[2ex] 0 &amp; 2 &amp; 1 &amp; 4 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"417\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Agora convertemos o \u00faltimo elemento da segunda coluna em zero:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9013720883fd719e2bd0779bfbaa7a9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 0 &amp; -16 &amp; -3 &amp; -12 \\\\[2ex] 0 &amp; 2 &amp; 1 &amp; 4   \\end{array} \\right) \\begin{array}{c} \\\\[2ex]  \\\\[2ex] \\xrightarrow{8f_3 + f_2} \\end{array} \\left( \\begin{array}{ccc|c}1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 0 &amp; -16 &amp; -3 &amp; -12 \\\\[2ex] 0 &amp; 0 &amp; 5 &amp; 20 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"448\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Esse sistema \u00e9 <strong>o SCD<\/strong> , pois conseguimos deslocar a matriz e a \u00faltima linha \u00e9 do tipo<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5d701f6e0afb7579229228d226ee2186_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0 \\ 0 \\ n \\ | \\ m)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" style=\"vertical-align: -5px;\"><\/p>\n<p> . Portanto, ter\u00e1 <strong>uma solu\u00e7\u00e3o \u00fanica.<\/strong><\/p>\n<p class=\"has-text-align-left\"> Quando todos os n\u00fameros abaixo da diagonal principal forem 0, podemos agora resolver o sistema de equa\u00e7\u00f5es. Para fazer isso, expressamos a matriz novamente na forma de um sistema de equa\u00e7\u00f5es com inc\u00f3gnitas:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0f0433738d5d0a22bdd3b04dbd44fd1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 0 &amp; -16 &amp; -3 &amp; -12 \\\\[2ex] 0 &amp; 0 &amp; 5 &amp; 20 \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} x+3y+1z=2 \\\\[2ex] -16y-3z=-12 \\\\[2ex] 5z=20 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"402\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> E resolvemos as inc\u00f3gnitas das equa\u00e7\u00f5es de baixo para cima. Primeiro resolvemos a \u00faltima equa\u00e7\u00e3o: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a71cace2e71d01970e94195b1c2ffe8b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"5z=20\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"60\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f4bbdadf2ee34baa77ffe1e658850927_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z}=\\cfrac{20}{5} = \\bm{4}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"85\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Agora substitu\u00edmos o valor de z na segunda equa\u00e7\u00e3o para encontrar o valor de y: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-77c84cccb610ceeb681601f6a4805fd5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-16y-3z=-12 \\ \\xrightarrow{z \\ = \\ 4} \\ -16y-3(4)=-12\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"352\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-72b89c805a36e7f423b722a176cdf7d8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-16y-12=-12\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"134\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-41071516425cd346030975b58a32ebd4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-16y=-12+12\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"134\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b8d50f9873947a16018789af09740e00_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-16y=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"72\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-30a6ccf8b222af4383b58c7f5fc166b2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y}=\\cfrac{0}{-16}= \\bm{0}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"99\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> E fazemos o mesmo com a primeira equa\u00e7\u00e3o: substitu\u00edmos os valores das outras inc\u00f3gnitas e resolvemos para x: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6f5523088917941892ceaefd1f6ce733_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x+3y+1z=2  \\ \\xrightarrow{y \\ = \\ 0 \\ ; \\ z \\ = \\ 4} \\ x+3(0)+1(4)=2\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"391\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-88d555fb46e6615b9885d98abc17a0ef_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x+0+4=2\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"103\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2a1137f222574a52be67af062fadde9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=2-4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"73\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6505a1b32f86c9deb3ab0716f13c3949_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> A solu\u00e7\u00e3o do sistema de equa\u00e7\u00f5es \u00e9, portanto: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6ac2b4e4cbdb1d0f8b4f92bfd5d6bb33_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=-2} \\qquad \\bm{y=0} \\qquad \\bm{z=4}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"211\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">Exerc\u00edcio 4<\/h3>\n<p> Determine que tipo de sistema \u00e9 e resolva o seguinte sistema de equa\u00e7\u00f5es pelo m\u00e9todo de Gauss: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4e8a133547b4719d7833a792550fd322_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x-y+4z=2 \\\\[2ex] -3x-3y+3z=7 \\\\[2ex] -2x-4y+7z=9 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"165\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>veja solu\u00e7\u00e3o<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> A primeira coisa que precisamos fazer \u00e9 a matriz estendida do sistema:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cc41f78456a922a0fbff419d336b0b46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x-y+4z=2 \\\\[2ex] -3x-3y+3z=7 \\\\[2ex] -2x-4y+7z=9  \\end{array} \\right\\}  \\longrightarrow \\left( \\begin{array}{ccc|c}1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex]  -3 &amp; -3 &amp; 3 &amp; 7 \\\\[2ex] -2 &amp; -4 &amp; 7 &amp; 9\\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"360\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Agora precisamos fazer com que todos os n\u00fameros abaixo do array principal sejam 0.<\/p>\n<p class=\"has-text-align-left\"> Portanto, realizamos opera\u00e7\u00f5es de linha para cancelar os dois \u00faltimos termos da primeira coluna:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ff92912f653c6aca7ceb7c990c9635a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex]  -3 &amp; -3 &amp; 3 &amp; 7 \\\\[2ex] -2 &amp; -4 &amp; 7 &amp; 9\\end{array} \\right) \\begin{array}{c} \\\\[2ex] \\xrightarrow{f_2 + 3f_1} \\\\[2ex] \\xrightarrow{f_3 + 2f_1} \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"389\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Agora vamos tentar remover o \u00faltimo elemento da segunda coluna:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3c6904a64a721f3a92bef8c6b7d713cf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\end{array} \\right) \\begin{array}{c} \\\\[2ex]  \\\\[2ex] \\xrightarrow{f_3 -1f_2} \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"393\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Mas obtemos uma linha inteira de 0s. Portanto, este \u00e9 um <strong>SCI<\/strong> e o sistema tem <strong>infinitas solu\u00e7\u00f5es.<\/strong><\/p>\n<p class=\"has-text-align-left\"> Mas como \u00e9 um ICS, podemos resolver o sistema com base em<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> . Portanto, exclu\u00edmos a linha 0:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6d856e2c1246f3629d68a7bcd3cd759a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right) \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"366\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Expressamos agora a matriz na forma de um sistema de equa\u00e7\u00f5es com inc\u00f3gnitas:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a4cf1265bfc12f94580de183230c8b7c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13 \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} 1x-1y+4z=2 \\\\[2ex] -6y+15z=13 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"370\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Damos o valor de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> Para<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bc71729520f0274771a717ce2c320783_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"18\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-abcd65ca2a131b846dcf56a5af3e8288_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z = \\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Substitu\u00edmos o valor de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> na segunda equa\u00e7\u00e3o para encontrar o valor de <\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a70e6a4387a816f153e8597195143f54_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y :\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"18\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-505fd2d7f1d3de194527308d053c4588_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-6y+15z=13 \\ \\xrightarrow{z \\ = \\ \\lambda} \\ -6y+15(\\lambda )=13\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"328\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-28edac5e241772779578f73cf500c7ac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-6y+15\\lambda =13\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"122\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4bd3cf3776b4e1ef1495979ad265bbd3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-6y =13-15\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"122\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-077278683cc8adf383b53504ee01f6af_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y =} \\mathbf{\\cfrac{13-15\\lambda }{-6}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"103\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> E fazemos o mesmo com a primeira equa\u00e7\u00e3o: substitu\u00edmos os valores das outras inc\u00f3gnitas e apagamos <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0a2431573b3a6b42537cbb0647aae6db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5e5a39e7562e2bf3d3b969f5db5294f6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1x-1y+4z=2 \\ \\xrightarrow{y \\ = \\ \\frac{13-15\\lambda }{-6} \\ ; \\ z \\ = \\ \\lambda} \\ 1x-1\\left(\\cfrac{13-15\\lambda }{-6} \\right)+4(\\lambda)=2\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"526\" style=\"vertical-align: -23px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0dde1c51e85f2547d89aa435671f9f80_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x-\\cfrac{13-15\\lambda }{-6} +4\\lambda=2\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"174\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3493f037522f90054e681e659ebe4a43_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=2+\\cfrac{13-15\\lambda }{-6} -4\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"174\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Temos uma soma com fra\u00e7\u00f5es. Portanto, reduzimos todos os termos a um denominador comum: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-47d211adb8dac8be1f446457d37313f6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-6 \\cdot 2}{-6}+\\cfrac{13-15\\lambda }{-6} -\\cfrac{-6 \\cdot 4 \\lambda}{-6}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"266\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9a5bf6ea2922cec38e35f9448285dfa9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-12}{-6}+\\cfrac{13-15\\lambda }{-6} -\\cfrac{-24 \\lambda}{-6}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"240\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Como agora todos t\u00eam o mesmo denominador, podemos agrup\u00e1-los em uma \u00fanica fra\u00e7\u00e3o:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-21d28bc7a89872df5d1bfbcb2889898c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-12+13-15\\lambda-(-24 \\lambda) }{-6}\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"242\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> E finalmente operamos no numerador: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9d1cba1b643fbb1bfed40441b1c51c34_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-12+13-15\\lambda+24 \\lambda }{-6}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"215\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e99f60f5d3036dcf3151e112a16bbfdc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=}\\mathbf{\\cfrac{1+9\\lambda }{-6} }\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"84\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> A solu\u00e7\u00e3o do sistema de equa\u00e7\u00f5es \u00e9, portanto:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2c43d0a3db9ba3aabcd68aafb4c781cd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=15-13\\lambda} \\qquad \\bm{y =} \\mathbf{\\cfrac{13-15\\lambda }{-6}} \\qquad \\bm{z = \\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"318\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nesta se\u00e7\u00e3o veremos como discutir e resolver um sistema de equa\u00e7\u00f5es pelo m\u00e9todo de Gauss-Jordan . Ou seja, determine se \u00e9 um sistema compat\u00edvel determinado (DCS), um sistema compat\u00edvel indeterminado (ICS) ou um sistema incompat\u00edvel. Al\u00e9m disso, voc\u00ea encontrar\u00e1 exemplos e exerc\u00edcios resolvidos para que possa praticar e assimilar perfeitamente os conceitos. Para entender o &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/\"> <span class=\"screen-reader-text\">Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano<\/span> Leia mais &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-298","post","type-post","status-publish","format-standard","hentry","category-explicacoes-matematicas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano -\" \/>\n<meta property=\"og:description\" content=\"Nesta se\u00e7\u00e3o veremos como discutir e resolver um sistema de equa\u00e7\u00f5es pelo m\u00e9todo de Gauss-Jordan . Ou seja, determine se \u00e9 um sistema compat\u00edvel determinado (DCS), um sistema compat\u00edvel indeterminado (ICS) ou um sistema incompat\u00edvel. Al\u00e9m disso, voc\u00ea encontrar\u00e1 exemplos e exerc\u00edcios resolvidos para que possa praticar e assimilar perfeitamente os conceitos. Para entender o &hellip; Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano Leia mais &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-06T16:09:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e51d504887586898a4b88863a128c8e2_l3.png\" \/>\n<meta name=\"author\" content=\"Equipe Mathoridade\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Equipe Mathoridade\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/\"},\"author\":{\"name\":\"Equipe Mathoridade\",\"@id\":\"https:\/\/mathority.org\/pt\/#\/schema\/person\/26defeb7b79f5baaedafa33a1ac6ac00\"},\"headline\":\"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano\",\"datePublished\":\"2023-07-06T16:09:27+00:00\",\"dateModified\":\"2023-07-06T16:09:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/\"},\"wordCount\":1459,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/mathority.org\/pt\/#organization\"},\"articleSection\":[\"Explica\u00e7\u00f5es matem\u00e1ticas\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/\",\"url\":\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/\",\"name\":\"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano -\",\"isPartOf\":{\"@id\":\"https:\/\/mathority.org\/pt\/#website\"},\"datePublished\":\"2023-07-06T16:09:27+00:00\",\"dateModified\":\"2023-07-06T16:09:27+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mathority.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mathority.org\/pt\/#website\",\"url\":\"https:\/\/mathority.org\/pt\/\",\"name\":\"Mathority\",\"description\":\"Onde a curiosidade encontra o c\u00e1lculo!\",\"publisher\":{\"@id\":\"https:\/\/mathority.org\/pt\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mathority.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mathority.org\/pt\/#organization\",\"name\":\"Mathority\",\"url\":\"https:\/\/mathority.org\/pt\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/mathority.org\/pt\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/mathority.org\/pt\/wp-content\/uploads\/2023\/10\/mathority-logo.png\",\"contentUrl\":\"https:\/\/mathority.org\/pt\/wp-content\/uploads\/2023\/10\/mathority-logo.png\",\"width\":703,\"height\":151,\"caption\":\"Mathority\"},\"image\":{\"@id\":\"https:\/\/mathority.org\/pt\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/mathority.org\/pt\/#\/schema\/person\/26defeb7b79f5baaedafa33a1ac6ac00\",\"name\":\"Equipe Mathoridade\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/mathority.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8a35e4c8616d1c34c03ca02862b580f4372c5650665668489db53a09579bbc4f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8a35e4c8616d1c34c03ca02862b580f4372c5650665668489db53a09579bbc4f?s=96&d=mm&r=g\",\"caption\":\"Equipe Mathoridade\"},\"sameAs\":[\"http:\/\/mathority.org\/pt\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano -","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/","og_locale":"pt_BR","og_type":"article","og_title":"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano -","og_description":"Nesta se\u00e7\u00e3o veremos como discutir e resolver um sistema de equa\u00e7\u00f5es pelo m\u00e9todo de Gauss-Jordan . Ou seja, determine se \u00e9 um sistema compat\u00edvel determinado (DCS), um sistema compat\u00edvel indeterminado (ICS) ou um sistema incompat\u00edvel. Al\u00e9m disso, voc\u00ea encontrar\u00e1 exemplos e exerc\u00edcios resolvidos para que possa praticar e assimilar perfeitamente os conceitos. Para entender o &hellip; Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano Leia mais &raquo;","og_url":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/","article_published_time":"2023-07-06T16:09:27+00:00","og_image":[{"url":"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e51d504887586898a4b88863a128c8e2_l3.png"}],"author":"Equipe Mathoridade","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Equipe Mathoridade","Est. tempo de leitura":"7 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/#article","isPartOf":{"@id":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/"},"author":{"name":"Equipe Mathoridade","@id":"https:\/\/mathority.org\/pt\/#\/schema\/person\/26defeb7b79f5baaedafa33a1ac6ac00"},"headline":"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano","datePublished":"2023-07-06T16:09:27+00:00","dateModified":"2023-07-06T16:09:27+00:00","mainEntityOfPage":{"@id":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/"},"wordCount":1459,"commentCount":0,"publisher":{"@id":"https:\/\/mathority.org\/pt\/#organization"},"articleSection":["Explica\u00e7\u00f5es matem\u00e1ticas"],"inLanguage":"pt-BR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/","url":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/","name":"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano -","isPartOf":{"@id":"https:\/\/mathority.org\/pt\/#website"},"datePublished":"2023-07-06T16:09:27+00:00","dateModified":"2023-07-06T16:09:27+00:00","breadcrumb":{"@id":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mathority.org\/pt\/discussao-de-sistemas-de-equacoes-pelo-metodo-de-gauss-com-exercicios-resolvidos\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mathority.org\/pt\/"},{"@type":"ListItem","position":2,"name":"Discuss\u00e3o de sistemas de equa\u00e7\u00f5es utilizando o m\u00e9todo gaussiano"}]},{"@type":"WebSite","@id":"https:\/\/mathority.org\/pt\/#website","url":"https:\/\/mathority.org\/pt\/","name":"Mathority","description":"Onde a curiosidade encontra o c\u00e1lculo!","publisher":{"@id":"https:\/\/mathority.org\/pt\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mathority.org\/pt\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pt-BR"},{"@type":"Organization","@id":"https:\/\/mathority.org\/pt\/#organization","name":"Mathority","url":"https:\/\/mathority.org\/pt\/","logo":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/mathority.org\/pt\/#\/schema\/logo\/image\/","url":"https:\/\/mathority.org\/pt\/wp-content\/uploads\/2023\/10\/mathority-logo.png","contentUrl":"https:\/\/mathority.org\/pt\/wp-content\/uploads\/2023\/10\/mathority-logo.png","width":703,"height":151,"caption":"Mathority"},"image":{"@id":"https:\/\/mathority.org\/pt\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/mathority.org\/pt\/#\/schema\/person\/26defeb7b79f5baaedafa33a1ac6ac00","name":"Equipe Mathoridade","image":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/mathority.org\/pt\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/8a35e4c8616d1c34c03ca02862b580f4372c5650665668489db53a09579bbc4f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8a35e4c8616d1c34c03ca02862b580f4372c5650665668489db53a09579bbc4f?s=96&d=mm&r=g","caption":"Equipe Mathoridade"},"sameAs":["http:\/\/mathority.org\/pt"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/posts\/298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/comments?post=298"}],"version-history":[{"count":0,"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/posts\/298\/revisions"}],"wp:attachment":[{"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/media?parent=298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/categories?post=298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathority.org\/pt\/wp-json\/wp\/v2\/tags?post=298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}