{"id":293,"date":"2023-07-06T18:52:35","date_gmt":"2023-07-06T18:52:35","guid":{"rendered":"https:\/\/mathority.org\/ko\/%eb%b3%b4%ec%99%84%ec%a0%81%ec%9d%b8-%ec%98%88%ec%a0%9c%ec%99%80-%ed%95%b4%ea%b2%b0%eb%90%9c-%ec%97%b0%ec%8a%b5%ec%9d%84-%ed%86%b5%ed%95%9c-4x4-%ed%96%89%eb%a0%ac%ec%8b%9d\/"},"modified":"2023-07-06T18:52:35","modified_gmt":"2023-07-06T18:52:35","slug":"%eb%b3%b4%ec%99%84%ec%a0%81%ec%9d%b8-%ec%98%88%ec%a0%9c%ec%99%80-%ed%95%b4%ea%b2%b0%eb%90%9c-%ec%97%b0%ec%8a%b5%ec%9d%84-%ed%86%b5%ed%95%9c-4x4-%ed%96%89%eb%a0%ac%ec%8b%9d","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%eb%b3%b4%ec%99%84%ec%a0%81%ec%9d%b8-%ec%98%88%ec%a0%9c%ec%99%80-%ed%95%b4%ea%b2%b0%eb%90%9c-%ec%97%b0%ec%8a%b5%ec%9d%84-%ed%86%b5%ed%95%9c-4x4-%ed%96%89%eb%a0%ac%ec%8b%9d\/","title":{"rendered":"\ubcf4\uc218 \ub610\ub294 \ubcf4\uc870 \uc778\uc790\ub85c 4&#215;4 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 <strong>\ub367\uc148\uc774\ub098 \ubcf4\uc870 \uc778\uc790\ub85c \ud589\ub82c\uc2dd\uc744<\/strong> \ud478\ub294 \ubc29\ubc95\uacfc <strong>4\u00d74 \ucc28\uc6d0 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744<\/strong> \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 4\ucc28 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \ud480\ub824\uba74 \uba3c\uc800 \ud589\uc774\ub098 \uc5f4\uc758 \uc218\ubc18\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \uc6b0\ub9ac\ub294 \uba3c\uc800 adjoints \ub610\ub294 cofactors\ub85c \ud589\ub82c\uc2dd\uc744 \ucc3e\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf8 \ub2e4\uc74c \ucc28\uc218 4\uc758 \ud589\ub82c\uc2dd\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4 <strong>.<\/strong><\/p>\n<h2 class=\"wp-block-heading\"> \ub367\uc148\uc774\ub098 \ubcf4\uc870 \uc778\uc790\ub85c \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \ud589\ub82c\uc2dd\uc740 \uc784\uc758\uc758 \ud589\uc774\ub098 \uc5f4\uc5d0 \uc788\ub294 \uc694\uc18c\uc758 \uac01 <strong>\ubcf4\uc218(\ub610\ub294 \ubcf4\uc870\uc778\uc790)\ub97c<\/strong> \uacf1\ud558\uc5ec \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uc774 \ubc29\ubc95\uc744 \uc218\ubc18\uc778 \ub610\ub294 \ubcf4\uc870\uc778\uc790\ub85c \ud589\ub82c\uc2dd\uc744 \ud478\ub294 \ubc29\ubc95\uc774\ub77c\uace0 \ud558\uba70, \ub77c\ud50c\ub77c\uc2a4\uc758 \ubc95\uce59(\ub610\ub294 \ub77c\ud50c\ub77c\uc2a4\uc758 \uc815\ub9ac)\uc744 \uc54c\ub824\uc8fc\ub294 \uc218\ud559\uc790\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 class=\"wp-block-heading\"> \ub300\ub9ac\uc778\uc774 \ud589\ub82c\uc2dd\uc744 \ud574\uacb0\ud558\ub294 \uc608:<\/h3>\n<p> <a href=\"https:\/\/mathority.org\/ko\/\u1112\u1162\u11bc\u1105\u1167\u11af\u1109\u1175\u11a8-3x3-\u1109\u1161\u1105\u116e\u1109\u1173-\u1100\u1172\u110e\u1175\u11a8-\u110b\u1168\u110c\u1166-\u1106\u1175\u11be-\u1112\u1162\u1100\u1167\u11af\u1103\u116c\u11ab-\u110b\u1167\u11ab\u1109\u1173\u11b8\u1106\u116e\u11ab\u110c\u1166\/\">3\u00d73 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744<\/a> \uc218\uc811\uc73c\ub85c \ud478\ub294 \uc2e4\uc81c\uc801\uc778 \uc608\ub97c \uc0b4\ud3b4\ubcf4\uc790. \ub2e4\uc74c \ud589\ub82c\uc2dd\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/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-1feaff2f490e464eb2de796be2d7feaf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 2 &amp; 3 &amp; 1 \\\\[1.1ex] 0 &amp; -2 &amp; 5 \\\\[1.1ex] 3 &amp; 7 &amp; -4 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"94\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uba3c\uc800, \ud589\ub82c\uc2dd\uc758 \uc5f4\uc774\ub098 \ud589\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 <strong>\uccab \ubc88\uc9f8 \uc5f4\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4<\/strong> . 0\uc774 \uc788\uc73c\ubbc0\ub85c \ud574\uacb0\ud558\uae30\uac00 \ub354 \uc27d\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p> \uc774\uc81c <strong>\uccab \ubc88\uc9f8 \uc5f4\uc758 \uc694\uc18c\uc5d0 \ud574\ub2f9 \ub300\ub9ac\uc778\uc744 \uacf1<\/strong> \ud574\uc57c \ud569\ub2c8\ub2e4.<\/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-277db6b7715c898778f6c5e52d539f70_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 2 &amp; 3 &amp; 1 \\\\[1.1ex] 0 &amp; -2 &amp; 5 \\\\[1.1ex] 3 &amp; 7 &amp; -4 \\end{vmatrix} \\displaystyle = 2\\bm{\\cdot} \\text{Adj(2)} + 0\\bm{\\cdot} \\text{Adj(0)} + 3 \\bm{\\cdot} \\text{Adj(3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"358\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> 0\uc758 \ubcf4\uc218\ub294 \uacc4\uc0b0\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 0\uc744 \uacf1\ud558\uba74 \ucde8\uc18c\ub418\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub2e4\uc74c\uc744 \ub2e8\uc21c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/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-d0bc46ac6c253597d2de076872399b31_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  = 2\\bm{\\cdot} \\text{Adj(2)} + \\cancel{0\\bm{\\cdot} \\text{Adj(0)}} + 3 \\bm{\\cdot} \\text{Adj(3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"256\" 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-a7c52721ec43ef71d0c163ce48807dec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = 2\\bm{\\cdot} \\text{Adj(2)}  + 3 \\bm{\\cdot} \\text{Adj(3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"169\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c <strong>\ubcf4\uc644 \uacc4\uc0b0\uc744<\/strong> \uc9c4\ud589\ud569\ub2c8\ub2e4. <\/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-dec96b7ca85468ea5e5e4ace37bfc596_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = 2\\cdot (-1)^{1+1} \\cdot \\begin{vmatrix} -2 &amp; 5  \\\\[1.1ex] 7 &amp; -4   \\end{vmatrix}  + 3 \\cdot (-1)^{3+1} \\cdot \\begin{vmatrix} 3 &amp; 1  \\\\[1.1ex] -2 &amp; 5   \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"364\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div style=\"background-color:#fffde7;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> <strong>\ub300\ub9ac\uc778<\/strong> \uc744 \uacc4\uc0b0\ud558\ub824\uba74 \ub2e4\uc74c\uc744 \uae30\uc5b5\ud558\uc2ed\uc2dc\uc624.<\/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-41d4a89db3722950dc94351832a1bcd9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a_{ij}\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"20\" style=\"vertical-align: -6px;\"><\/p>\n<p> , \uc989 \uad11\uace0 \ud56d\ubaa9<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-695d9d59bd04859c6c99e7feb11daab6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uadf8\ub9ac\uace0 \uc5f4<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-43c82d5bb00a7568d935a12e3bd969dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"j\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p> , \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/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-dcce4b79a3549da03df7c78b678add31_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{Adjunto de } a_{ij} = (-1)^{i+j} \\bm{\\cdot} \\text{Menor complementario de } a_{ij}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"430\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p align=\"LEFT\"> \uc5ec\uae30\uc11c \ubcf4\uc644\uc801\uc778 \ub9c8\uc774\ub108\ub294<\/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-41d4a89db3722950dc94351832a1bcd9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a_{ij}\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"20\" style=\"vertical-align: -6px;\"><\/p>\n<p> \ud589\uc744 \uc81c\uac70\ud558\uc5ec \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-695d9d59bd04859c6c99e7feb11daab6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uadf8\ub9ac\uace0 \uc5f4<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-43c82d5bb00a7568d935a12e3bd969dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"j\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p> .<\/p>\n<\/div>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<p> \uc6b0\ub9ac\ub294 \uac70\ub4ed\uc81c\uacf1\uacfc \ud589\ub82c\uc2dd\uc744 \ud47c\ub2e4:<\/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-d445739b9dcbe8e91d0587f6848b4b58_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= 2 \\cdot 1 \\cdot (8-35) + 3 \\cdot 1 \\cdot \\bigl(15-(-2)\\bigr)\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"280\" style=\"vertical-align: -7px;\"><\/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-de7e80c3d8d61baaf0c0ee68eb689b18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= 2 \\cdot 1 \\cdot (-27) + 3 \\cdot 1 \\cdot 17\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"190\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uadf8\ub9ac\uace0 \uc6b0\ub9ac\ub294 \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc791\uc5c5\ud569\ub2c8\ub2e4.<\/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-1db7bb8783ce13a8eb0f765c85a7f268_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= -54 + 51\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"89\" 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-784bc17636ee50685733e25452656e2c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= \\bm{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c <strong>\ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub294 -3\uc785\ub2c8\ub2e4.<\/strong><\/p>\n<p> Sarrus\uc758 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\uba74 \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc5bb\uc2b5\ub2c8\ub2e4.<\/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-67d7d7936dd26361dcdfda5b28d62ba3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} \\begin{vmatrix} 2 &amp; 3 &amp; 1 \\\\[1.1ex] 0 &amp; -2 &amp; 5 \\\\[1.1ex] 3 &amp; 7 &amp; -4   \\end{vmatrix} &amp; = 2 \\cdot (-2) \\cdot (-4) + 3 \\cdot 5 \\cdot  3 +  0 \\cdot 7 \\cdot 1  - 3 \\cdot (-2) \\cdot 1 - 7 \\cdot 5 \\cdot 2- 0 \\cdot 3 \\cdot (-4)  \\\\  &amp; =  16 +45 + 0  +6 - 70 -0   \\\\[2ex] &amp;  =  \\bm{-3}   \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"150\" width=\"651\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub300\ub9ac\uc778\uc774 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc558\uc73c\uba74 \uc774\uc81c 4\ucc28 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub97c \ucc3e\ub294 \ubc29\ubc95\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"> 4\u00d74 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> <strong>\ucc28\uc218\uac00 4\uc778 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744<\/strong> \ud480\ub824\uba74 \ub300\ub9ac\uc778\uc5d0 \ub300\ud574 \ubc29\uae08 \ubcf8 \uc808\ucc28\ub97c \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc989, \ud589\uc774\ub098 \uc5f4\uc744 \uc120\ud0dd\ud558\uace0 \ud574\ub2f9 \uc694\uc18c\uc758 \uac01 \uc694\uc18c\uc758 \uacf1\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n<p> \uadf8\ub7ec\ub098 4\u00d74 \ud589\ub82c\uc2dd\uc744 \uc0ac\uc6a9\ud558\ub294 \uc774 \uc808\ucc28\ub97c \uc0ac\uc6a9\ud558\uba74 \ub9ce\uc740 3\u00d73 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud574\uc57c \ud558\uba70 \uc2dc\uac04\uc774 \uc624\ub798 \uac78\ub9ac\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc778\uc811\uc810\uc744 \uacc4\uc0b0\ud558\uae30 \uc804\uc5d0 \uac00\uc6b0\uc2dc\uc548 \ubc29\ubc95\uacfc \uc720\uc0ac\ud558\uac8c <strong>\uc120\uc5d0 \ub300\ud55c \ubcc0\ud658\uc774 \uc218\ud589\ub429\ub2c8\ub2e4<\/strong> . \ud589\ub82c\uc2dd\uc758 \ud589\uc740 \uac19\uc740 \ud589\uacfc \ub2e4\ub978 \ud589\uc758 \ud569\uc5d0 \uc22b\uc790\ub97c \uacf1\ud55c \uac12\uc73c\ub85c \ub300\uccb4\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \ub530\ub77c\uc11c \ub300\ub9ac\uc778\uc774 4\ucc28 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub824\uba74 <strong>\uac00\uc7a5 \ub9ce\uc740 0\uc744 \ud3ec\ud568\ud558\ub294 \uc5f4\uc744<\/strong> \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uacc4\uc0b0\uc774 \uc26c\uc6cc\uc9d1\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ud589\uc5d0 \ub300\ud574 \ub0b4\ubd80 \uc791\uc5c5\uc744 \uc218\ud589\ud558\uc5ec \uc5f4\uc758 \ubaa8\ub4e0 \uc694\uc18c\uac00 \ud558\ub098\ub9cc \uc81c\uc678\ud558\uace0 null\uc774 \ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p> \uc608\ub97c \ub4e4\uc5b4 4&#215;4 \ud589\ub82c\uc2dd\uc774 \uc5b4\ub5bb\uac8c \ub9cc\ub4e4\uc5b4\uc9c0\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 class=\"wp-block-heading\"> 4\u00d74 \ud589\ub82c\uc2dd\uc744 \ud478\ub294 \uc608:<\/h3>\n<p> \uc6b0\ub9ac\ub294 \ub2e4\uc74c 4\u00d74 \uc815\uc0ac\uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \ud480 \uac83\uc785\ub2c8\ub2e4:<\/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-ababb957a73ca707531ddbd0b18e8c88_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 1 &amp; 4 &amp; 2 &amp; 1 \\\\[1.1ex] -1 &amp; -1 &amp; 3 &amp; 2 \\\\[1.1ex] 0 &amp; 5 &amp; 7 &amp; -4 \\\\[1.1ex] 2 &amp; 1 &amp; -3 &amp; 2 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"147\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774 \uacbd\uc6b0 0\uc774 \uac00\uc7a5 \ub9ce\uc740 \uc5f4\uc774 \uccab \ubc88\uc9f8 \uc5f4\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c <strong>\uc6b0\ub9ac\ub294 \uccab \ubc88\uc9f8 \uc5f4\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/strong><\/p>\n<p> \uadf8\ub9ac\uace0 \uc774 \uc5f4\uc5d0 1\uc774 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc744 \ud65c\uc6a9\ud558\uc5ec \uccab \ubc88\uc9f8 \uc5f4\uc758 \ub2e4\ub978 \ubaa8\ub4e0 \uc694\uc18c\ub97c 0\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. 1\uc774 \uc788\ub294 \ud589\uc73c\ub85c \uacc4\uc0b0\uc744 \uc218\ud589\ud558\ub294 \uac83\uc774 \ub354 \uc27d\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \uc5f4\uc758 \ub2e4\ub978 \ubaa8\ub4e0 \uc694\uc18c\ub97c 0\uc73c\ub85c \ubc14\uafb8\ub824\uba74 <strong>\uccab \ubc88\uc9f8 \ud589\uc744 \ub450 \ubc88\uc9f8 \ud589\uc5d0 \ub354\ud558\uace0<\/strong> <strong>\ub124 \ubc88\uc9f8 \ud589\uc5d0\uc11c \uccab \ubc88\uc9f8 \ud589\uc5d0 2\ub97c \uacf1\ud55c \uac12\uc744 \ube8d\ub2c8\ub2e4<\/strong> . \uc138 \ubc88\uc9f8 \ud589\uc740 \uccab \ubc88\uc9f8 \uc5f4\uc5d0 \uc774\ubbf8 0\uc774 \uc788\uc73c\ubbc0\ub85c \ubcc0\uacbd\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. <\/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-6df3837acf7c66f40eb4ce624e7a9417_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 1 &amp; 4 &amp; 2 &amp; 1 \\\\[1.1ex] -1 &amp; -1 &amp; 3 &amp; 2 \\\\[1.1ex] 0 &amp; 5 &amp; 7 &amp; -4 \\\\[1.1ex] 2 &amp; 1 &amp; -3 &amp; 2 \\end{vmatrix} \\begin{matrix} \\\\[1.1ex] \\xrightarrow{f_2 + f_1}  \\\\[1.1ex]  \\\\[1.1ex] \\xrightarrow{f_4 - 2f_1} \\end{matrix}   \\begin{vmatrix} 1 &amp; 4 &amp; 2 &amp; 1 \\\\[1.1ex] 0 &amp; 3 &amp; 5 &amp; 3 \\\\[1.1ex] 0 &amp; 5 &amp; 7 &amp; -4 \\\\[1.1ex] 0 &amp; -7 &amp; -7 &amp; 0 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"111\" width=\"351\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-118\"><\/div>\n<\/div>\n<p> \uc120\ud0dd\ud55c \uc5f4\uc758 \ud55c \uc694\uc18c\ub97c \uc81c\uc678\ud55c \ubaa8\ub4e0 \uc694\uc18c\ub97c 0\uc73c\ub85c \ubcc0\ud658\ud55c \ud6c4\uc5d0\ub294 \ub300\ub9ac\uc778\ubcc4\ub85c \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc989 <strong>, \uac01 \ub300\ub9ac\uc778\ubcc4\ub85c \uc5f4 \uc694\uc18c\uc758 \uacf1\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/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-0c3bad793847458372f7af88f98a921d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 1 &amp; 4 &amp; 2 &amp; 1 \\\\[1.1ex] 0 &amp; 3 &amp; 5 &amp; 3 \\\\[1.1ex] 0 &amp; 5 &amp; 7 &amp; -4 \\\\[1.1ex] 0 &amp; -7 &amp; -7 &amp; 0 \\end{vmatrix} \\displaystyle = 1\\bm{\\cdot} \\text{Adj(1)} + 0\\bm{\\cdot} \\text{Adj(0)} +0\\bm{\\cdot} \\text{Adj(0)} + 0\\bm{\\cdot} \\text{Adj(0)}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"484\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc870\uac74\uc5d0 0\uc744 \uacf1\ud558\uba74 \ucde8\uc18c\ub418\ubbc0\ub85c \ub2e8\uc21c\ud654\ub429\ub2c8\ub2e4. <\/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-2239b8f823620f93d1b5f1379434dc99_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"=1\\bm{\\cdot} \\text{Adj(1)} + \\cancel{0\\bm{\\cdot} \\text{Adj(0)}} +\\cancel{0\\bm{\\cdot} \\text{Adj(0)}} + \\cancel{0\\bm{\\cdot} \\text{Adj(0)}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"343\" 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-b2a34a2dd540c8b59c0219616d77503e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"=1\\bm{\\cdot} \\text{Adj(1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"83\" 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-82725740cf1ab8626df8c97a23ac9b3e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"=\\text{Adj(1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"69\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c 1\uc758 \uc218\ubc18\uc744 \uacc4\uc0b0\ud558\ub294 \uac83\uc73c\ub85c \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/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-e7a9b3d371059e3c485bde74c0a3ca9e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = (-1)^{1+1} \\cdot \\begin{vmatrix}  3 &amp; 5 &amp; 3 \\\\[1.1ex] 5 &amp; 7 &amp; -4 \\\\[1.1ex] -7 &amp; -7 &amp; 0   \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"203\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Sarrus \uaddc\uce59\uacfc \uac70\ub4ed\uc81c\uacf1\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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-93f12fd53bc084017d9148e07b836911_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\inlinestyle = 1 \\cdot \\bigl[  3 \\cdot 7 \\cdot 0 + 5 \\cdot (-4) \\cdot (-7) + 5 \\cdot (-7)  \\cdot 3 - (-7)\\cdot 7 \\cdot 3 - (-7) \\cdot (-4) \\cdot 3 - 5 \\cdot 5 \\cdot 0 \\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"639\" style=\"vertical-align: -7px;\"><\/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-7d0573ada70206ddd4354f35b2d835e1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"=3 \\cdot 7 \\cdot 0 + 5 \\cdot (-4) \\cdot (-7) + 5 \\cdot (-7)  \\cdot 3 - (-7)\\cdot 7 \\cdot 3 - (-7) \\cdot (-4) \\cdot 3 - 5 \\cdot 5 \\cdot 0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"606\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc791\uc5c5\uc744 \ud574\uacb0\ud569\ub2c8\ub2e4. <\/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-1b1d16c734194e3d70848c9c2a0e3267_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle =0+140-105 +147 - 84 - 0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"242\" 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-1824a37e33693e87497735175f429f1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle =\\bm{98}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"37\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> 4\u00d74 \ud589\ub82c\uc2dd\uc758 \ud574\uacb0\ub41c \uc5f0\uc2b5<\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ub2e4\uc74c \ucc28\uc218 4\uc758 \ud589\ub82c\uc2dd\uc744 \ud489\ub2c8\ub2e4. <\/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-eb70dab3d17f588315c49d05c112259a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 2 &amp; 3 &amp; -1 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 1 &amp; 1 \\\\[1.1ex] 2 &amp; 3 &amp; 1 &amp; -1 \\\\[1.1ex] 4 &amp; 1 &amp; 2 &amp; 0 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"107\" width=\"133\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 cofactor \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec 4\u00d74 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub97c \ucc3e\uc744 \uac83\uc785\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uba3c\uc800 \ud589\uc5d0 \ub300\ud55c \uc791\uc5c5\uc744 \uc218\ud589\ud558\uc5ec \uc5f4\uc758 \uc694\uc18c \uc911 \ud558\ub098\ub9cc \uc81c\uc678\ud558\uace0 \ubaa8\ub4e0 \uc694\uc18c\ub97c 0\uc73c\ub85c \uc124\uc815\ud569\ub2c8\ub2e4.<\/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-8c809d42e17e7e1ee0332b61c1d73d2e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 2 &amp; 3 &amp; -1 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 1 &amp; 1 \\\\[1.1ex] 2 &amp; 3 &amp; 1 &amp; -1 \\\\[1.1ex] 4 &amp; 1 &amp; 2 &amp; 0 \\end{vmatrix} \\begin{matrix} \\\\[1.1ex] \\\\[1.1ex] \\xrightarrow{f_3 + f_2}  \\\\[1.1ex] \\  \\end{matrix} \\begin{vmatrix} 2 &amp; 3 &amp; -1 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 1 &amp; 1 \\\\[1.1ex] 2 &amp; 4 &amp; 2 &amp; 0 \\\\[1.1ex] 4 &amp; 1 &amp; 2 &amp; 0 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"107\" width=\"289\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \uc6b0\ub9ac\ub294 \ub9c8\uc9c0\ub9c9 \uc5f4\uacfc \uc778\uc811\ud558\uc5ec \ud589\ub82c\uc2dd 4\u00d74\ub97c \ud47c\ub2e4.<\/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-4c615be7d70d93645d25c2ddaa0ac6aa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 2 &amp; 3 &amp; -1 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 1 &amp; 1 \\\\[1.1ex] 2 &amp; 4 &amp; 2 &amp; 0 \\\\[1.1ex] 4 &amp; 1 &amp; 2 &amp; 0 \\end{vmatrix} = 0\\bm{\\cdot} \\text{Adj(0)} +1\\bm{\\cdot} \\text{Adj(1)} +0\\bm{\\cdot} \\text{Adj(0)} + 0\\bm{\\cdot} \\text{Adj(0)}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"457\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6a9\uc5b4\ub97c \ub2e8\uc21c\ud654\ud569\ub2c8\ub2e4. <\/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-dd6256c60b3b6c80618d045fe7c5d5aa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= \\cancel{0\\bm{\\cdot} \\text{Adj(0)}} +1\\bm{\\cdot} \\text{Adj(1)} +\\cancel{0\\bm{\\cdot} \\text{Adj(0)}} + \\cancel{0\\bm{\\cdot} \\text{Adj(0)}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"343\" 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-029594698d2ffb9e165ed06c51bd495e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= \\text{Adj(1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"69\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 1\uc758 \uc218\ubc18\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4:<\/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-50df3a50bef626dd5e03150e1b72f005_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = (-1)^{2+4} \\cdot \\begin{vmatrix} 2 &amp; 3 &amp; -1 \\\\[1.1ex] 2 &amp; 4 &amp; 2 \\\\[1.1ex]4 &amp; 1 &amp; 2 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"176\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c Sarrus\uc758 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec 3\u00d73 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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-763a4951c54ea0c5f771511b8f9352b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = (-1)^{6} \\cdot \\bigl[16+24-2+16-4-12 \\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"284\" style=\"vertical-align: -7px;\"><\/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-b43ce8127960f80ab1bd12ceade45a15_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = 1 \\cdot \\bigl[38 \\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"70\" style=\"vertical-align: -7px;\"><\/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-dbd344edf36713829b1e6d27c291c358_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = \\bm{38}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"37\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 2<\/h3>\n<p> \ub2e4\uc74c \ucc28\uc218 4\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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-75fcf71d7c2badd23fe9196996dd87b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 1 &amp; 3 &amp; -2 &amp; 2 \\\\[1.1ex] 2 &amp; 0 &amp; 1 &amp; 4 \\\\[1.1ex] 1 &amp; 1 &amp; 2 &amp; 3 \\\\[1.1ex] 5 &amp; -1 &amp; 3 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"107\" width=\"133\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 \ubcf4\uc870 \uc778\uc790\ub85c 4\u00d74 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub97c \uc218\ud589\ud558\ub824\uba74 \uba3c\uc800 \ud589\uc5d0 \ub300\ud55c \uc791\uc5c5\uc744 \uc218\ud589\ud558\uc5ec \uc5f4\uc758 \ubaa8\ub4e0 \uc694\uc18c \uc911 \ud558\ub098\ub97c \uc81c\uc678\ud558\uace0 0\uc73c\ub85c \uc124\uc815\ud569\ub2c8\ub2e4.<\/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-ede833746cd2f0d82603b38b58dc4aa5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 1 &amp; 3 &amp; -2 &amp; 2 \\\\[1.1ex] 2 &amp; 0 &amp; 1 &amp; 4 \\\\[1.1ex] 1 &amp; 1 &amp; 2 &amp; 3 \\\\[1.1ex] 5 &amp; -1 &amp; 3 &amp; 1 \\end{vmatrix} \\begin{matrix} \\xrightarrow{f_1 - 3f_3} \\\\[1.1ex] \\\\[1.1ex] \\\\[1.1ex] \\xrightarrow{f_4 + f_3}  \\end{matrix} \\begin{vmatrix}-2 &amp; 0 &amp; -8 &amp; -7 \\\\[1.1ex] 2 &amp; 0 &amp; 1 &amp; 4 \\\\[1.1ex] 1 &amp; 1 &amp; 2 &amp; 3 \\\\[1.1ex] 6 &amp; 0 &amp; 5 &amp; 4 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"118\" width=\"323\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \ub450 \ubc88\uc9f8 \uc5f4\uacfc \uc778\uc811\ud558\uc5ec \ud589\ub82c\uc2dd 4\u00d74\ub97c \ud47c\ub2e4.<\/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-399eaa68014d6ebedb35770b1a1faa93_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} -2 &amp; 0 &amp; -8 &amp; -7 \\\\[1.1ex] 2 &amp; 0 &amp; 1 &amp; 4 \\\\[1.1ex] 1 &amp; 1 &amp; 2 &amp; 3 \\\\[1.1ex] 6 &amp; 0 &amp; 5 &amp; 4\\end{vmatrix} = 0\\bm{\\cdot} \\text{Adj(0)} +0\\bm{\\cdot} \\text{Adj(0)} +1\\bm{\\cdot} \\text{Adj(1)}+ 0\\bm{\\cdot} \\text{Adj(0)}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"485\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6a9\uc5b4\ub97c \ub2e8\uc21c\ud654\ud569\ub2c8\ub2e4. <\/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-b974efd2413b220e574aa45de9e8da20_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= \\cancel{0\\bm{\\cdot} \\text{Adj(0)}} +\\cancel{0\\bm{\\cdot} \\text{Adj(0)}} +1\\bm{\\cdot} \\text{Adj(1)}+\\cancel{0\\bm{\\cdot} \\text{Adj(0)}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"343\" 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-029594698d2ffb9e165ed06c51bd495e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= \\text{Adj(1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"69\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 1\uc758 \uc218\ubc18\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4:<\/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-599484242287cf94fb222cb16fb92131_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = (-1)^{3+2} \\begin{vmatrix}-2 &amp; -8 &amp; -7 \\\\[1.1ex] 2 &amp; 1 &amp; 4 \\\\[1.1ex] 6 &amp; 5 &amp; 4\\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"194\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c Sarrus \uaddc\uce59\uacfc \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec 3\u00d73 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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-b49d5a07a376cb7c236daea3910053dc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = (-1)^{5} \\cdot \\bigl[-8-192-70+42+40+64 \\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"316\" style=\"vertical-align: -7px;\"><\/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-647420e9c51528a2b7d9e5d7ab9d9c9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = -1 \\cdot \\bigl[-124 \\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"107\" style=\"vertical-align: -7px;\"><\/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-7de3e73e3809178c7ade54977ff42f5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = \\bm{124}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"46\" style=\"vertical-align: 0px;\"><\/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\"> \uc5f0\uc2b5 3<\/h3>\n<p> \ub2e4\uc74c \ucc28\uc218 4 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub97c \uad6c\ud569\ub2c8\ub2e4. <\/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-73122188e3bb7cb74e2f0c668fa2121f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 2 &amp; -2 &amp; -1 &amp; 3 \\\\[1.1ex] 4 &amp; 3 &amp; 1 &amp; -2 \\\\[1.1ex] -1 &amp; 2 &amp; 1 &amp; -1 \\\\[1.1ex] 3 &amp; -2 &amp; -4 &amp; 5 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"107\" width=\"161\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 \ub300\ub9ac\uc778\uc744 \ud1b5\ud574 4\u00d74 \ud589\ub82c\uc2dd\uc744 \ud574\uacb0\ud560 \uac83\uc785\ub2c8\ub2e4. \uba3c\uc800 \ud589\uc5d0 \ub300\ud55c \uc791\uc5c5\uc744 \uc218\ud589\ud558\uc5ec \uc5f4\uc758 \ud55c \uc694\uc18c\ub97c \uc81c\uc678\ud55c \ubaa8\ub4e0 \uc694\uc18c\ub97c 0\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/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-09884ca951854a78be30a1ab22ada92b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix}2 &amp; -2 &amp; -1 &amp; 3 \\\\[1.1ex] 4 &amp; 3 &amp; 1 &amp; -2 \\\\[1.1ex] -1 &amp; 2 &amp; 1 &amp; -1 \\\\[1.1ex] 3 &amp; -2 &amp; -4 &amp; 5 \\end{vmatrix} \\begin{matrix} \\xrightarrow{f_1 + f_2} \\\\[1.1ex] \\\\[1.1ex]\\xrightarrow{f_3 - f_2} \\\\[1.1ex] \\xrightarrow{f_4 + 4f_2}  \\end{matrix} \\begin{vmatrix}6 &amp; 1 &amp; 0 &amp; 1 \\\\[1.1ex] 4 &amp; 3 &amp; 1 &amp; -2 \\\\[1.1ex] -5 &amp; -1 &amp; 0 &amp; 1 \\\\[1.1ex] 19 &amp; 10 &amp; 0 &amp; -3 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"125\" width=\"351\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \uc6b0\ub9ac\ub294 \uc138 \ubc88\uc9f8 \uc5f4\uc758 \ub300\ub9ac\uc778\uc5d0 \uc758\ud574 \ud589\ub82c\uc2dd 4\u00d74\ub97c \ud47c\ub2e4.<\/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-025c7fdc16e4c1d95e77203464404bf3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix}6 &amp; 1 &amp; 0 &amp; 1 \\\\[1.1ex] 4 &amp; 3 &amp; 1 &amp; -2 \\\\[1.1ex] -5 &amp; -1 &amp; 0 &amp; 1 \\\\[1.1ex] 19 &amp; 10 &amp; 0 &amp; -3 \\end{vmatrix}  = 0\\bm{\\cdot} \\text{Adj(0)} +1\\bm{\\cdot} \\text{Adj(1)} +0\\bm{\\cdot} \\text{Adj(0)}+ 0\\bm{\\cdot} \\text{Adj(0)}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"485\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6a9\uc5b4\ub97c \ub2e8\uc21c\ud654\ud569\ub2c8\ub2e4. <\/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-3acde32d0408398738d704722018fb9c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= \\cancel{0\\bm{\\cdot}+ \\text{Adj(0)}} +1\\bm{\\cdot} \\text{Adj(1)}+\\cancel{0\\bm{\\cdot} \\text{Adj(0)}} +\\cancel{0\\bm{\\cdot} \\text{Adj(0)}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"364\" 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-029594698d2ffb9e165ed06c51bd495e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= \\text{Adj(1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"69\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 1\uc758 \uc218\ubc18\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4:<\/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-b919673f5add2981d4170b0aea65735e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = (-1)^{2+3} \\begin{vmatrix}6 &amp; 1 &amp; 1 \\\\[1.1ex] -5 &amp; -1 &amp; 1 \\\\[1.1ex] 19 &amp; 10 &amp; -3\\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"194\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c Sarrus \uaddc\uce59\uacfc \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec 3\u00d73 \ud589\ub82c\uc2dd\uc744 \ud574\uacb0\ud569\ub2c8\ub2e4. <\/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-a9985880705b7ca57fbafd39d9d8ffb7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = (-1)^{5} \\cdot \\bigl[18+19-50+19-60-15\\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"302\" style=\"vertical-align: -7px;\"><\/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-4cb59f26a6ada4b6c25bf7036a43307e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = -1 \\cdot \\bigl[-69 \\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"98\" style=\"vertical-align: -7px;\"><\/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-36f353d56aed6ff4825e8ccaf3d1e3cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = \\bm{69}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"37\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 4<\/h3>\n<p> \ucc28\uc218 4\uc758 \ub2e4\uc74c \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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-c97cbbc8f7ec94839181ffee815e4cc5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 3 &amp; 4 &amp; -2 &amp; -1 \\\\[1.1ex] 2 &amp; -2 &amp; 5 &amp; -5 \\\\[1.1ex] -3 &amp; 5 &amp; 2 &amp; 6 \\\\[1.1ex] -1 &amp; -2 &amp; -1 &amp; 3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"107\" width=\"161\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ub77c\ud50c\ub77c\uc2a4\uc758 \ubc95\uce59\uc744 \uc774\uc6a9\ud558\uc5ec \ud589\ub82c\uc2dd 4\u00d74\ub97c \ud480\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uba3c\uc800 \ud589\uc5d0 \ub300\ud55c \uc791\uc5c5\uc744 \uc218\ud589\ud558\uc5ec \uc5f4\uc758 \uc694\uc18c \uc911 \ud558\ub098\ub9cc \uc81c\uc678\ud558\uace0 \ubaa8\ub4e0 \uc694\uc18c\ub97c 0\uc73c\ub85c \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/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-f7f8b52a83480123b6b7dd2dbb8e4eed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix}3 &amp; 4 &amp; -2 &amp; -1 \\\\[1.1ex] 2 &amp; -2 &amp; 5 &amp; -5 \\\\[1.1ex] -3 &amp; 5 &amp; 2 &amp; 6 \\\\[1.1ex] -1 &amp; -2 &amp; -1 &amp; 3\\end{vmatrix} \\begin{matrix} \\xrightarrow{f_1 + 3f_4} \\\\[1.1ex] \\xrightarrow{f_2 +2f_4} \\\\[1.1ex]\\xrightarrow{f_3 - 3f_4} \\\\[1.1ex] \\  \\end{matrix} \\begin{vmatrix}0 &amp; -2 &amp; -5 &amp; 8 \\\\[1.1ex]0 &amp; -6 &amp; 3 &amp; 1 \\\\[1.1ex] 0 &amp; 11 &amp; 5 &amp; -3 \\\\[1.1ex] -1 &amp; -2 &amp; -1 &amp; 3\\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"118\" width=\"365\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \uc6b0\ub9ac\ub294 \uccab \ubc88\uc9f8 \uc5f4\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud589\ub82c\uc2dd 4\u00d74\ub97c \ub300\ub9ac\uc778\uc73c\ub85c \ud574\uacb0\ud569\ub2c8\ub2e4.<\/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-18bb3f7dbb81eb9cc025112114d11ce0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix}0 &amp; -2 &amp; -5 &amp; 8 \\\\[1.1ex]0 &amp; -6 &amp; 3 &amp; 1 \\\\[1.1ex] 0 &amp; 11 &amp; 5 &amp; -3 \\\\[1.1ex] -1 &amp; -2 &amp; -1 &amp; 3 \\end{vmatrix}  = 0\\bm{\\cdot} \\text{Adj(0)} +0\\bm{\\cdot} \\text{Adj(0)} + 0\\bm{\\cdot} \\text{Adj(0)}-1\\bm{\\cdot} \\text{Adj(-1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"504\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6a9\uc5b4\ub97c \ub2e8\uc21c\ud654\ud569\ub2c8\ub2e4. <\/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-6ac1edf725b65caef7eb39145aea4933_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"= \\cancel{0\\bm{\\cdot} \\text{Adj(0)}} +\\cancel{0\\bm{\\cdot} \\text{Adj(0)}} +\\cancel{0\\bm{\\cdot} \\text{Adj(0)}}-1\\bm{\\cdot} \\text{Adj(-1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"349\" 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-bfef84c16e45679b2b46f1f8913f38e1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"=- \\text{Adj(-1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"89\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> -1\uc758 \uc218\ubc18\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4:<\/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-e490606c22340f1f9cd1113227e5ff09_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle =- (-1)^{4+1} \\begin{vmatrix} -2 &amp; -5 &amp; 8 \\\\[1.1ex]-6 &amp; 3 &amp; 1 \\\\[1.1ex] 11 &amp; 5 &amp; -3 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"207\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c Sarrus \uaddc\uce59\uacfc \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec 3\u00d73 \ud589\ub82c\uc2dd\uc744 \ud574\uacb0\ud569\ub2c8\ub2e4. <\/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-00cb04c5cac0d36fdc9d350d35d03147_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = -(-1)^{5} \\cdot \\bigl[18-55-240-264+10+90\\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"334\" style=\"vertical-align: -7px;\"><\/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-40374b9fedd37c8b42c0c0661da29e40_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = -(-1) \\cdot \\bigl[-441 \\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"134\" style=\"vertical-align: -7px;\"><\/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-edeeb7ad0e18ba2edb7f7163fb390155_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = - \\bigl[+441 \\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"85\" style=\"vertical-align: -7px;\"><\/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-7a41b8d5835f4f5c96395cf976d30b8c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle = \\bm{-441}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"59\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p> \uc774 \ubaa8\ub4e0 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc544\ub9c8\ub3c4 4&#215;4 \ud589\ub82c\uc2dd\uc744 \ud478\ub294 \ubc29\ubc95\uc744 \uc774\ubbf8 \uc54c\uace0 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. \ud658\uc0c1\uc801\uc785\ub2c8\ub2e4! \uc6b0\ub9ac\ub294 \uc774\ub7ec\ud55c \ubaa8\ub4e0 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc774\uc81c \ub9ce\uc740 \uc0ac\ub78c\ub4e4\uc774 \ube44\uc6a9\uc744 \uc9c0\ubd88\ud574\uc57c \ud558\ub294 <a href=\"https:\/\/mathority.org\/ko\/\u1112\u1162\u11bc\u1105\u1167\u11af\u110b\u1174-\u1109\u116e\u11ab\u110b\u1171\/\">4\u00d74 \ucc28\uc6d0 \ud589\ub82c\uc758 \ubc94\uc704\ub97c<\/a> \uacc4\uc0b0\ud560 \uc218 \uc788\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ub367\uc148\uc774\ub098 \ubcf4\uc870 \uc778\uc790\ub85c \ud589\ub82c\uc2dd\uc744 \ud478\ub294 \ubc29\ubc95\uacfc 4\u00d74 \ucc28\uc6d0 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 4\ucc28 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \ud480\ub824\uba74 \uba3c\uc800 \ud589\uc774\ub098 \uc5f4\uc758 \uc218\ubc18\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \uc6b0\ub9ac\ub294 \uba3c\uc800 adjoints \ub610\ub294 cofactors\ub85c \ud589\ub82c\uc2dd\uc744 \ucc3e\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf8 \ub2e4\uc74c \ucc28\uc218 4\uc758 \ud589\ub82c\uc2dd\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4 . \ub367\uc148\uc774\ub098 \ubcf4\uc870 \uc778\uc790\ub85c \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%eb%b3%b4%ec%99%84%ec%a0%81%ec%9d%b8-%ec%98%88%ec%a0%9c%ec%99%80-%ed%95%b4%ea%b2%b0%eb%90%9c-%ec%97%b0%ec%8a%b5%ec%9d%84-%ed%86%b5%ed%95%9c-4x4-%ed%96%89%eb%a0%ac%ec%8b%9d\/\"> <span class=\"screen-reader-text\">\ubcf4\uc218 \ub610\ub294 \ubcf4\uc870 \uc778\uc790\ub85c 4&#215;4 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/span> \ub354 \ubcf4\uae30 &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":[8],"tags":[],"class_list":["post-293","post","type-post","status-publish","format-standard","hentry","category-8"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ubcf4\uc218 \ub610\ub294 \ubcf4\uc870 \uc778\uc790\ub85c 4\u00d74 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95 - Mathority<\/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\/ko\/\ubcf4\uc644\uc801\uc778-\uc608\uc81c\uc640-\ud574\uacb0\ub41c-\uc5f0\uc2b5\uc744-\ud1b5\ud55c-4x4-\ud589\ub82c\uc2dd\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ubcf4\uc218 \ub610\ub294 \ubcf4\uc870 \uc778\uc790\ub85c 4\u00d74 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95 - Mathority\" \/>\n<meta property=\"og:description\" content=\"\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ub367\uc148\uc774\ub098 \ubcf4\uc870 \uc778\uc790\ub85c \ud589\ub82c\uc2dd\uc744 \ud478\ub294 \ubc29\ubc95\uacfc 4\u00d74 \ucc28\uc6d0 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 4\ucc28 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \ud480\ub824\uba74 \uba3c\uc800 \ud589\uc774\ub098 \uc5f4\uc758 \uc218\ubc18\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \uc6b0\ub9ac\ub294 \uba3c\uc800 adjoints \ub610\ub294 cofactors\ub85c \ud589\ub82c\uc2dd\uc744 \ucc3e\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf8 \ub2e4\uc74c \ucc28\uc218 4\uc758 \ud589\ub82c\uc2dd\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4 . \ub367\uc148\uc774\ub098 \ubcf4\uc870 \uc778\uc790\ub85c \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? 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