{"id":289,"date":"2023-07-06T20:03:12","date_gmt":"2023-07-06T20:03:12","guid":{"rendered":"https:\/\/mathority.org\/ru\/%d1%81%d0%b2%d0%be%d0%b8%d1%81%d1%82%d0%b2%d0%b0-%d0%be%d0%bf%d1%80%d0%b5%d0%b4%d0%b5%d0%bb%d0%b8%d1%82%d0%b5%d0%bb%d0%b5%d0%b8-%d0%bf%d1%80%d0%b8%d0%bc%d0%b5%d1%80%d1%8b-%d0%b8-%d1%83%d0%bf%d1%80\/"},"modified":"2023-07-06T20:03:12","modified_gmt":"2023-07-06T20:03:12","slug":"%d1%81%d0%b2%d0%be%d0%b8%d1%81%d1%82%d0%b2%d0%b0-%d0%be%d0%bf%d1%80%d0%b5%d0%b4%d0%b5%d0%bb%d0%b8%d1%82%d0%b5%d0%bb%d0%b5%d0%b8-%d0%bf%d1%80%d0%b8%d0%bc%d0%b5%d1%80%d1%8b-%d0%b8-%d1%83%d0%bf%d1%80","status":"publish","type":"post","link":"https:\/\/mathority.org\/ru\/%d1%81%d0%b2%d0%be%d0%b8%d1%81%d1%82%d0%b2%d0%b0-%d0%be%d0%bf%d1%80%d0%b5%d0%b4%d0%b5%d0%bb%d0%b8%d1%82%d0%b5%d0%bb%d0%b5%d0%b8-%d0%bf%d1%80%d0%b8%d0%bc%d0%b5%d1%80%d1%8b-%d0%b8-%d1%83%d0%bf%d1%80\/","title":{"rendered":"\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439"},"content":{"rendered":"<p>\u0412 \u044d\u0442\u043e\u043c \u0440\u0430\u0437\u0434\u0435\u043b\u0435 \u043c\u044b \u0443\u0432\u0438\u0434\u0438\u043c, \u043a\u0430\u043a\u043e\u0432\u044b \u0432\u0441\u0435 <strong>\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439<\/strong> . \u041c\u044b \u0442\u0430\u043a\u0436\u0435 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u043c \u043a\u0430\u0436\u0434\u043e\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435, \u0447\u0442\u043e\u0431\u044b \u0432\u044b \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0438\u0445 \u043f\u043e\u043d\u044f\u043b\u0438. \u0410, \u043a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0432\u044b \u043d\u0430\u0439\u0434\u0435\u0442\u0435 \u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u044f, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439.<\/p>\n<p> \u041d\u0438\u0436\u0435 \u043c\u044b \u043e\u0431\u044a\u044f\u0441\u043d\u0438\u043c \u043a\u0430\u0436\u0434\u043e\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439 \u043e\u0434\u043d\u043e \u0437\u0430 \u0434\u0440\u0443\u0433\u0438\u043c, \u043d\u043e \u0435\u0441\u043b\u0438 \u0432\u044b \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u0438\u0442\u0430\u0435\u0442\u0435, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u0440\u0430\u0437\u0443 \u043f\u0435\u0440\u0435\u0439\u0442\u0438 \u043a <strong>\u0441\u0432\u043e\u0434\u043d\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0435<\/strong> \u043d\u0438\u0436\u0435. \ud83d\ude09<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 1: \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-109\"><\/div>\n<\/div>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u0435\u043d \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044e \u0435\u0435 \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b.<\/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-2f3228b0db84cb6cff32c1157107dfd7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert A \\rvert = \\lvert A^t \\rvert\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"72\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/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-7e39b73d52e436c660c2c9f2eeed39f6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert A \\rvert =  \\begin{vmatrix} 2 &amp; 3 \\\\[1.1ex] 1 &amp; 5  \\end{vmatrix} =  2 \\cdot 5 - 1 \\cdot 3 = 10 - 3 = \\bm{7}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"301\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u043d\u0438\u0440\u0443\u0435\u043c \u043c\u0430\u0442\u0440\u0438\u0446\u0443 2&#215;2 \u0438 \u043d\u0430\u0445\u043e\u0434\u0438\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c. \u041e\u0431\u0440\u0430\u0442\u0438\u0442\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435, \u0447\u0442\u043e \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0442\u043e\u0442 \u0436\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442, \u0447\u0442\u043e \u0438 \u0440\u0430\u043d\u044c\u0448\u0435:<\/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-fc16abe425fb139cb3a6b7ba7e3b1915_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert A^t \\rvert =  \\begin{vmatrix} 2 &amp; 1 \\\\[1.1ex] 3 &amp; 5  \\end{vmatrix} =  2 \\cdot 5 - 3 \\cdot 1 = 10 - 3 = \\bm{7}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"307\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 2: \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0441\u043e \u0441\u0442\u0440\u043e\u043a\u043e\u0439 \u0438\u043b\u0438 \u0441\u0442\u043e\u043b\u0431\u0446\u043e\u043c, \u0437\u0430\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u043c\u0438 \u043d\u0443\u043b\u044f\u043c\u0438. <\/h2>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \u0415\u0441\u043b\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0438\u043c\u0435\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0443 \u0438\u043b\u0438 \u0441\u0442\u043e\u043b\u0431\u0435\u0446, \u0437\u0430\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u0435 \u043d\u0443\u043b\u044f\u043c\u0438, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 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-54df933d2167697d926c25dd9554d90a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} a_{11} &amp; 0 &amp; a_{13} \\\\[1.1ex] a_{21} &amp; 0 &amp; a_{23} \\\\[1.1ex] a_{31} &amp; 0 &amp; a_{33}\\end{vmatrix}=0\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"132\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/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-95bc2d762871764f41176acc052a633c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 5 &amp; 6 &amp; 2 \\\\[1.1ex] 0 &amp; 0 &amp; 0 \\\\[1.1ex] -3 &amp; 1 &amp; 4 \\end{vmatrix}   =  \\bm{0} \\qquad \\qquad \\begin{vmatrix} 1 &amp; -5 &amp; 0 \\\\[1.1ex] 6 &amp; 2 &amp; 0 \\\\[1.1ex] 1 &amp; 3 &amp; 0 \\end{vmatrix} = \\bm{0}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"313\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0412 \u043e\u0431\u043e\u0438\u0445 \u044d\u0442\u0438\u0445 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u0445 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0438 \u043e\u0446\u0435\u043d\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043a\u0430\u043a 0. \u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0432\u0442\u043e\u0440\u0430\u044f \u0441\u0442\u0440\u043e\u043a\u0430 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0432\u0441\u0435 \u043d\u0443\u043b\u0438, \u0430 \u0442\u0440\u0435\u0442\u0438\u0439 \u0441\u0442\u043e\u043b\u0431\u0435\u0446 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0442\u0430\u043a\u0436\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0432\u0441\u0435 \u043d\u0443\u043b\u0438.<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 3: \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0441 \u0434\u0432\u0443\u043c\u044f \u0440\u0430\u0432\u043d\u044b\u043c\u0438 \u0441\u0442\u0440\u043e\u043a\u0430\u043c\u0438 \u0438\u043b\u0438 \u0441\u0442\u043e\u043b\u0431\u0446\u0430\u043c\u0438. <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-110\"><\/div>\n<\/div>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \u0415\u0441\u043b\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0438\u043c\u0435\u0435\u0442 \u0434\u0432\u0435 \u0440\u0430\u0432\u043d\u044b\u0435 \u0438\u043b\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u0442\u0440\u043e\u043a \u0438\u043b\u0438 \u0434\u0432\u0430 \u0441\u0442\u043e\u043b\u0431\u0446\u0430, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0440\u0430\u0432\u0435\u043d \u043d\u0443\u043b\u044e (0).<\/p>\n<p> \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0435\u0441\u043b\u0438 \u043c\u0435\u0436\u0434\u0443 \u0441\u0442\u0440\u043e\u043a\u0430\u043c\u0438 \u0438\u043b\u0438 \u0441\u0442\u043e\u043b\u0431\u0446\u0430\u043c\u0438 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u043b\u0438\u043d\u0435\u0439\u043d\u0430\u044f \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u044f, \u0442\u043e \u0435\u0441\u0442\u044c \u043e\u043d\u0438 \u043b\u0438\u043d\u0435\u0439\u043d\u043e \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u044b, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0434\u0430\u0435\u0442 0.<\/p>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/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-c31b59570d4f89e8c7e7aa9f922977c5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 3 &amp; 4 &amp; 4 \\\\[1.1ex] -1 &amp; 5 &amp; 5 \\\\[1.1ex] 6 &amp; 2 &amp; 2 \\end{vmatrix} =  0\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"117\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0412 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0434\u0430\u0435\u0442 0, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0441\u0442\u043e\u043b\u0431\u0446\u044b 2 \u0438 3 \u0440\u0430\u0432\u043d\u044b.<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 4. \u0418\u0437\u043c\u0435\u043d\u0438\u0442\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0438\u043b\u0438 \u0441\u0442\u043e\u043b\u0431\u0446\u044b \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f. <\/h2>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \u0415\u0441\u043b\u0438 \u0434\u0432\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0438\u043b\u0438 \u0434\u0432\u0430 \u0441\u0442\u043e\u043b\u0431\u0446\u0430 \u0438\u0437\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0434\u0440\u0443\u0433 \u0434\u0440\u0443\u0433\u0430, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0434\u0430\u0435\u0442 \u0442\u043e\u0442 \u0436\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442, \u043d\u043e \u0441 \u0434\u0440\u0443\u0433\u0438\u043c \u0437\u043d\u0430\u043a\u043e\u043c.<\/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-de79fc53e94c9a30d8a271d42d4e3494_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} a &amp; b &amp; c \\\\[1.1ex] d &amp; e &amp; f \\\\[1.1ex] g &amp; h &amp; i \\end{vmatrix}= - \\begin{vmatrix} a &amp; c &amp; b \\\\[1.1ex] d &amp; f &amp; e \\\\[1.1ex] g &amp; i &amp; h \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"185\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/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-c2e4806318fa67998b339383a9dc9ea5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 3 &amp; 2 &amp; -4 \\\\[1.1ex] 1 &amp; 5 &amp; 6 \\\\[1.1ex] 1 &amp; 0 &amp; -3 \\end{vmatrix} = \\displaystyle -45 +12+0+20-0+6=  \\bm{-7}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"357\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u0435\u043d\u044f\u0435\u043c \u043f\u043e\u0440\u044f\u0434\u043e\u043a \u0441\u0442\u043e\u043b\u0431\u0446\u043e\u0432 2 \u0438 3 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0434\u0440\u0443\u0433 \u0434\u0440\u0443\u0433\u0430. \u041e\u0431\u0440\u0430\u0442\u0438\u0442\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435, \u0447\u0442\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0442\u043e\u0442 \u0436\u0435, \u043d\u043e \u0441 \u0434\u0440\u0443\u0433\u0438\u043c \u0437\u043d\u0430\u043a\u043e\u043c:<\/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-4a4de8b8cf37df2c3cce69d16a19a578_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 3 &amp; -4 &amp; 2 \\\\[1.1ex] 1 &amp; 6 &amp; 5 \\\\[1.1ex] 1 &amp; -3 &amp; 0 \\end{vmatrix}   = \\displaystyle 0-20-6-12+45-0=  \\bm{+7}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"343\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 5: \u0423\u043c\u043d\u043e\u0436\u0438\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0443 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043d\u0430 \u0441\u043a\u0430\u043b\u044f\u0440. <\/h2>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \u0423\u043c\u043d\u043e\u0436\u0435\u043d\u0438\u0435 \u0432\u0441\u0435\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432\u043e \u0432\u0441\u0435\u0439 \u0441\u0442\u0440\u043e\u043a\u0435 \u0438\u043b\u0438 \u0441\u0442\u043e\u043b\u0431\u0446\u0435 \u043d\u0430 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u0438\u044e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043d\u0430 \u044d\u0442\u043e \u0447\u0438\u0441\u043b\u043e. <\/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-06cf5f62a3d703b43bb68b319839df26_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} k \\cdot a_{11} &amp;  k \\cdot a_{12} &amp; k \\cdot a_{13} \\\\[1.1ex] a_{21} &amp;  a_{22} &amp; a_{23} \\\\[1.1ex] a_{31} &amp;  a_{32} &amp; a_{33} \\end{vmatrix} =k \\cdot \\begin{vmatrix} a_{11} &amp; a_{12} &amp; a_{13} \\\\[1.1ex] a_{21} &amp;  a_{22} &amp; a_{23} \\\\[1.1ex] a_{31} &amp;  a_{32} &amp; a_{33} \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"342\" 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-a7b38fe06dab0bbdbfef384b3e403fed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} k \\cdot a_{11} &amp; a_{12} &amp; a_{13} \\\\[1.1ex] k \\cdot a_{21} &amp;  a_{22} &amp; a_{23} \\\\[1.1ex] k \\cdot a_{31} &amp;  a_{32} &amp; a_{33} \\end{vmatrix} =k \\cdot \\begin{vmatrix} a_{11} &amp; a_{12} &amp; a_{13} \\\\[1.1ex] a_{21} &amp;  a_{22} &amp; a_{23} \\\\[1.1ex] a_{31} &amp;  a_{32} &amp; a_{33} \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"297\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/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-92b404bb7ad8bbdd59c8c54c1619c37d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle   \\begin{vmatrix} 2 &amp; 3 \\\\[1.1ex] 1 &amp; 4  \\end{vmatrix}   = 8-3= \\bm{5}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"138\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0431\u0435\u0440\u0435\u043c \u0442\u043e\u0442 \u0436\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0438 \u0443\u043c\u043d\u043e\u0436\u0430\u0435\u043c \u0432\u0441\u044e \u0441\u0442\u0440\u043e\u043a\u0443 \u043d\u0430 2. \u0412\u044b \u0443\u0432\u0438\u0434\u0438\u0442\u0435, \u0447\u0442\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0431\u0443\u0434\u0435\u0442 \u0442\u0430\u043a\u0438\u043c \u0436\u0435, \u043a\u0430\u043a \u0438 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u0439 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c, \u043d\u043e \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 2, \u0438\u043b\u0438 10:<\/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-57ae1ba33c0d108f08ac9d0b5cb4a81b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} 2 \\cdot 2 &amp; 2 \\cdot 3 \\\\[1.1ex] 1 &amp; 4  \\end{vmatrix}   =  \\begin{vmatrix} 4 &amp; 6 \\\\[1.1ex] 1 &amp; 4  \\end{vmatrix} = 16-6 =\\bm{10}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"270\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 6: \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043c\u0430\u0442\u0440\u0438\u0447\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-111\"><\/div>\n<\/div>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0434\u0432\u0443\u0445 \u043c\u0430\u0442\u0440\u0438\u0446 \u0440\u0430\u0432\u0435\u043d \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438.<\/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-066ee1431d90a4c2cb6febe8a381cc69_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\lvert A \\cdot B \\rvert = \\lvert A \\rvert \\cdot \\lvert B \\rvert\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"130\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/h3>\n<p> \u0427\u0442\u043e\u0431\u044b \u043f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439, \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u0434\u0432\u0443\u0445 \u043c\u0430\u0442\u0440\u0438\u0446 \u0434\u0432\u0443\u043c\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u043c\u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u0430\u043c\u0438:<\/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-38de0ca99ad15f40bd94f653cffacf8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A= \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; 5 \\end{pmatrix}\\quad B=\\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 1 &amp; -1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"229\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u0435\u0440\u0435\u043c\u043d\u043e\u0436\u0438\u043c \u0434\u0432\u0435 \u043c\u0430\u0442\u0440\u0438\u0446\u044b, \u0437\u0430\u0442\u0435\u043c \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b:<\/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-2ad18d1637b581038b7866030d6ac9a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\left| A \\cdot B \\right| =\\left| \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; 5  \\end{pmatrix} \\cdot \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 1 &amp; -1  \\end{pmatrix}\\right|  = \\left| \\begin{pmatrix} 7 &amp; -1 \\\\[1.1ex] 13 &amp; -1  \\end{pmatrix} \\right|  = -7 - (-13) = \\bm{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"500\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0422\u0435\u043f\u0435\u0440\u044c \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043a\u0430\u0436\u0434\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u0438 \u0437\u0430\u0442\u0435\u043c \u043f\u0435\u0440\u0435\u043c\u043d\u043e\u0436\u0430\u0435\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b:<\/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-5f7c97d5a832d3985bf1d5e9d4d44401_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert A \\rvert \\cdot \\lvert B \\rvert =  \\left| \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; 5  \\end{pmatrix} \\right| \\cdot \\left| \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 1 &amp; -1  \\end{pmatrix}\\right| = -1\\cdot (-6)= \\bm{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"384\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u041a\u0430\u043a \u0432\u0438\u0434\u0438\u0442\u0435, \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043c\u0430\u0442\u0440\u0438\u0446\u044b, \u0430 \u0437\u0430\u0442\u0435\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0434\u0430\u0435\u0442 \u0442\u043e\u0442 \u0436\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442, \u0447\u0442\u043e \u0438 \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b, \u0430 \u0437\u0430\u0442\u0435\u043c \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u0438\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432.<\/p>\n<p> \u0421 \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b, \u044d\u0442\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u043d\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0441\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0438 \u0432\u044b\u0447\u0438\u0442\u0430\u043d\u0438\u044f, \u0442\u043e \u0435\u0441\u0442\u044c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0441\u043b\u043e\u0436\u0435\u043d\u0438\u044f (\u0438\u043b\u0438 \u0432\u044b\u0447\u0438\u0442\u0430\u043d\u0438\u044f) \u0434\u0432\u0443\u0445 \u043c\u0430\u0442\u0440\u0438\u0446 \u043d\u0435 \u0434\u0430\u0435\u0442 \u0442\u043e\u0433\u043e \u0436\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430, \u0447\u0442\u043e \u0438 \u0441\u043b\u043e\u0436\u0435\u043d\u0438\u0435 (\u0438\u043b\u0438 \u0432\u044b\u0447\u0438\u0442\u0430\u043d\u0438\u0435) \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439 \u0434\u0432\u0435 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e. <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-118\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 7: \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b <\/h2>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \u0415\u0441\u043b\u0438 \u043c\u0430\u0442\u0440\u0438\u0446\u0430 \u043e\u0431\u0440\u0430\u0442\u0438\u043c\u0430, \u0442\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0435\u0435 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u043c\u0443 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044e \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b.<\/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-460186cec7a5d86981bd5a14e3b1dcf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} A^{-1} \\end{vmatrix} = \\cfrac{1}{\\lvert A \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"91\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/h3>\n<p> \u041c\u044b \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u043c \u044d\u0442\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e, \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0432 \u043e\u0431\u0440\u0430\u0442\u043d\u0443\u044e \u043c\u0430\u0442\u0440\u0438\u0446\u0443, \u0430 \u0437\u0430\u0442\u0435\u043c \u043d\u0430\u0439\u0434\u044f \u0435\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c. \u041c\u044b \u0443\u0432\u0438\u0434\u0438\u043c, \u0447\u0442\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u0435\u043d \u043d\u0430\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u0438 \u0435\u0433\u043e \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044e.<\/p>\n<p> \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043c\u044b \u0438\u043d\u0432\u0435\u0440\u0442\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u043c\u0430\u0442\u0440\u0438\u0446\u0443 \u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u043c \u0435\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c: <\/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-2c77c10006d35ebc5273553fb84356e3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A= \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 7 &amp; 4 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"95\" 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-8a9315a8add365cd5f077c52476a827d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1}= \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] -\\frac{7}{2} &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"143\" 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-a10c873ff6c101cd2b239388393c268b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix}A^{-1} \\end{vmatrix}= \\begin{vmatrix} 2 &amp; -1 \\\\[1.1ex] -\\frac{7}{2} &amp; 2 \\end{vmatrix} = 4-\\cfrac{7}{2} =\\cfrac{8}{2}-\\cfrac{7}{2} = \\cfrac{\\bm{1}}{\\bm{2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"307\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0418 \u0442\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u043d\u0430\u0445\u043e\u0434\u0438\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u0438 \u0434\u0435\u043b\u0430\u0435\u043c \u0435\u0435 \u043e\u0431\u0440\u0430\u0442\u043d\u0443\u044e:<\/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-850e5404f5352782327918caab3e1440_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix}A\\end{vmatrix}= \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 7 &amp; 4 \\end{pmatrix}=16-14=2\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"221\" 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-427c70eab8ecba40b6dcde2a6e03abd2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix}A^{-1}\\end{vmatrix}= \\cfrac{\\bm{1}}{\\bm{2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"76\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> \u041a\u0430\u043a \u0432\u0438\u0434\u0438\u0442\u0435, \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043e\u0431\u0435\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0438\u0434\u0435\u043d\u0442\u0438\u0447\u043d\u044b. \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u0434\u043e\u043a\u0430\u0437\u0430\u043d\u043e.<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 8: \u0417\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0443 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \u0421\u0442\u0440\u043e\u043a\u0443 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043c\u043e\u0436\u043d\u043e \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u0441\u043b\u043e\u0436\u0435\u043d\u0438\u0435\u043c (\u0438\u043b\u0438 \u0432\u044b\u0447\u0438\u0442\u0430\u043d\u0438\u0435\u043c) \u0442\u043e\u0439 \u0436\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u043f\u043b\u044e\u0441 (\u0438\u043b\u0438 \u043c\u0438\u043d\u0443\u0441) \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u0447\u0438\u0441\u043b\u043e.<\/p>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/h3>\n<p> \u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u043c\u044b \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u043c \u044d\u0442\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e. \u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c, \u0437\u0430\u0442\u0435\u043c \u043f\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0443\u0435\u043c \u043d\u0430 \u0441\u0442\u0440\u043e\u043a\u0443 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0438 \u043f\u0435\u0440\u0435\u0441\u0447\u0438\u0442\u0430\u0435\u043c \u0435\u0433\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442. \u0412\u044b \u0443\u0432\u0438\u0434\u0438\u0442\u0435, \u043a\u0430\u043a \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u043e\u0434\u0438\u043d \u0438 \u0442\u043e\u0442 \u0436\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432 \u043e\u0431\u043e\u0438\u0445 \u0441\u043b\u0443\u0447\u0430\u044f\u0445.<\/p>\n<p> \u0418\u0442\u0430\u043a, \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c 3\u04453 \u043f\u043e \u043f\u0440\u0430\u0432\u0438\u043b\u0443 \u0421\u0430\u0440\u0440\u0443\u0441\u0430:<\/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-4ccd76fc3a2b7cd7afc7d8f9de8ffde1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 2 &amp; 1 &amp; -1 \\\\[1.1ex] 3 &amp; 0 &amp; 1 \\\\[1.1ex] 0 &amp; -3 &amp; 6 \\end{vmatrix} \\displaystyle=0+0+9-0+6-18 =  \\bm{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"338\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0422\u0435\u043f\u0435\u0440\u044c <strong>\u0432\u043e \u0432\u0442\u043e\u0440\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u043f\u0435\u0440\u0432\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u0443\u044e \u043d\u0430 2:<\/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-4bc2e6bd78446fb68f29b4a5503a6828_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 2 &amp; 1 &amp; -1 \\\\[1.1ex] 3 &amp; 0 &amp; 1 \\\\[1.1ex] 0 &amp; -3 &amp; 6 \\end{vmatrix} \\begin{matrix} \\\\[1.1ex] \\xrightarrow{f_2 + 2f_1}  \\\\[1.1ex] \\  \\end{matrix} \\begin{vmatrix} 2 &amp; 1 &amp; -1 \\\\[1.1ex] 7 &amp; 2 &amp; -1 \\\\[1.1ex] 0 &amp; -3 &amp; 6 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"254\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0410 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0440\u0435\u0448\u0430\u0435\u043c \u043f\u043e\u0441\u043b\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0435\u0433\u043e \u0441\u0442\u0440\u043e\u043a:<\/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-045eb6f32420fbbf538a9e0a540ce119_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 2 &amp; 1 &amp; -1 \\\\[1.1ex] 7 &amp; 2 &amp; -1 \\\\[1.1ex] 0 &amp; -3 &amp; 6 \\end{vmatrix} = 24+0+21-0-6-42=\\bm{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"355\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0412 \u043e\u0431\u043e\u0438\u0445 \u0441\u043b\u0443\u0447\u0430\u044f\u0445 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0431\u044b\u043b -3. \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e, \u0447\u0442\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043d\u0435 \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u0441\u044f, \u0435\u0441\u043b\u0438 \u0441\u0442\u0440\u043e\u043a\u0443 \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u0441\u0443\u043c\u043c\u043e\u0439 \u0442\u043e\u0439 \u0436\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u043f\u043b\u044e\u0441 \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u0447\u0438\u0441\u043b\u043e. <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-119\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 9: \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u043c \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0435\u0435 \u0433\u043b\u0430\u0432\u043d\u043e\u0439 \u0434\u0438\u0430\u0433\u043e\u043d\u0430\u043b\u0438.<\/p>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/h3>\n<p> \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u0430 \u0440\u0435\u0448\u0438\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0439 \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b:<\/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-40ebfa5f9f06e63ad1325d9331a57bde_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 2 &amp; 3 &amp; 5 \\\\[1.1ex] 0 &amp; -1 &amp; 7 \\\\[1.1ex] 0 &amp; 0 &amp; 4 \\end{vmatrix} \\displaystyle= 2 \\cdot (-1) \\cdot 4 =  \\bm{-8}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"234\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e 10: \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0434\u0438\u0430\u0433\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0434\u0438\u0430\u0433\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u0440\u0430\u0432\u0435\u043d \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0435\u0435 \u0433\u043b\u0430\u0432\u043d\u043e\u0439 \u0434\u0438\u0430\u0433\u043e\u043d\u0430\u043b\u0438.<\/p>\n<h3 style=\"color:#00B0FF\"> \u041f\u0440\u0438\u043c\u0435\u0440:<\/h3>\n<p> \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u0430 \u0432\u043e\u0437\u044c\u043c\u0435\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0439 \u0434\u0438\u0430\u0433\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b:<\/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-56e1b3093685a1af729310752b03dfc9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix}5 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 3 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; -2 \\end{vmatrix} \\displaystyle= 5 \\cdot 3 \\cdot (-2) =  \\bm{-30}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"243\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \u0421\u0432\u043e\u0434\u043d\u0430\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u0441\u0432\u043e\u0439\u0441\u0442\u0432 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439 <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-116\"><\/div>\n<\/div>\n<p> \u041e\u0431\u044a\u044f\u0441\u043d\u044f\u0435\u043c\u044b\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439 \u043c\u043e\u0436\u043d\u043e \u0440\u0435\u0437\u044e\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0435: <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/proprietes-des-determinants.webp\" alt=\"\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439\" class=\"wp-image-3447\" width=\"774\" height=\"669\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"> \u0420\u0435\u0448\u0435\u043d\u043d\u044b\u0435 \u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u044f \u0441\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439<\/h2>\n<h3 class=\"wp-block-heading\"> \u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 1<\/h3>\n<p> \u0420\u0435\u0448\u0438\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c: <\/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-97dfc1ebfc5db73750870911108bd447_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 3 &amp; 1 &amp; 0 \\\\[1.1ex] 4 &amp; 2 &amp; 0 \\\\[1.1ex] -1 &amp; 6 &amp; 0 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"81\" 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>\u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \u0415\u0441\u043b\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0438\u043c\u0435\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0443 \u0438\u043b\u0438 \u0441\u0442\u043e\u043b\u0431\u0435\u0446, \u0437\u0430\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u0435 \u043d\u0443\u043b\u044f\u043c\u0438, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 0 (\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e 2). \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, <strong>\u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0440\u0430\u0432\u0435\u043d 0, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0442\u0440\u0435\u0442\u0438\u0439 \u0441\u0442\u043e\u043b\u0431\u0435\u0446 \u0437\u0430\u043f\u043e\u043b\u043d\u0435\u043d \u043d\u0443\u043b\u044f\u043c\u0438.<\/strong><\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> \u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 2<\/h3>\n<p> \u0420\u0435\u0448\u0438\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c: <\/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-bdb315ba588fe5fdfb03c7fea2857b16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 4 &amp; 2 &amp; -3 &amp; 5 \\\\[1.1ex] 1 &amp; 5 &amp; 3 &amp; 2 \\\\[1.1ex]4 &amp; 2 &amp; -3 &amp; 5 \\\\[1.1ex] -2 &amp; 0 &amp; 4 &amp; 3 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"119\" 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>\u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \u0415\u0441\u043b\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0438\u043c\u0435\u0435\u0442 \u0434\u0432\u0435 \u0440\u0430\u0432\u043d\u044b\u0435 \u0438\u043b\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u0442\u0440\u043e\u043a \u0438\u043b\u0438 \u0434\u0432\u0430 \u0441\u0442\u043e\u043b\u0431\u0446\u0430, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 0 (\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e 3). \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, <strong>\u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0440\u0430\u0432\u0435\u043d 0, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043f\u0435\u0440\u0432\u0430\u044f \u0438 \u0442\u0440\u0435\u0442\u044c\u044f \u0441\u0442\u0440\u043e\u043a\u0438 \u0440\u0430\u0432\u043d\u044b.<\/strong><\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> \u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 3<\/h3>\n<p> \u0412\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c: <\/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-96c5cfee4c4189e49b54fdf43b2a0457_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 1 &amp; 0 &amp; 2 &amp; 2 \\\\[1.1ex] 3 &amp; 1 &amp; 5 &amp; 6 \\\\[1.1ex] 1 &amp; 3 &amp; -2 &amp; 2 \\\\[1.1ex] 2 &amp; 2 &amp; 0 &amp; 4 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"106\" 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>\u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \u0415\u0441\u043b\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0438\u043c\u0435\u0435\u0442 \u0434\u0432\u0435 \u0440\u0430\u0432\u043d\u044b\u0435 \u0438\u043b\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u0442\u0440\u043e\u043a \u0438\u043b\u0438 \u0434\u0432\u0430 \u0441\u0442\u043e\u043b\u0431\u0446\u0430, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 0 (\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e 3). \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, <strong>\u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0440\u0430\u0432\u0435\u043d 0, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0447\u0435\u0442\u0432\u0435\u0440\u0442\u044b\u0439 \u0441\u0442\u043e\u043b\u0431\u0435\u0446 \u0432 \u0434\u0432\u0430 \u0440\u0430\u0437\u0430 \u0431\u043e\u043b\u044c\u0448\u0435 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0441\u0442\u043e\u043b\u0431\u0446\u0430.<\/strong> <\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<h3 class=\"wp-block-heading\"> \u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 4<\/h3>\n<p> \u041c\u044b \u0437\u043d\u0430\u0435\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f, \u0445\u043e\u0442\u044f \u043d\u0435 \u0437\u043d\u0430\u0435\u043c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u043c\u0430\u0442\u0440\u0438\u0446\u044b:<\/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-e20d9016edd52f18d3ffc928d2658efe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} a &amp; b \\\\[1.1ex] c &amp; d  \\end{vmatrix} = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"77\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u041f\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0443 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0433\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439: <\/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-9c20de8d82171dc8fb784e2549521f37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\mathbf{a} \\bm{)} \\ \\begin{vmatrix} a &amp; c  \\\\[1.1ex] b &amp; d  \\end{vmatrix} \\qquad \\mathbf{b} \\bm{)} \\ \\begin{vmatrix} b &amp; a  \\\\[1.1ex] d &amp; c  \\end{vmatrix} \\qquad \\mathbf{c} \\bm{)} \\ \\begin{vmatrix} a &amp; 3b  \\\\[1.1ex] c &amp; 3d  \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"301\" 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>\u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> <strong>\u0414\u043b\u044f)<\/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-6ee3d744a077ee8fdc07e806f13286be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} a &amp; c  \\\\ b &amp; d  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"55\" style=\"vertical-align: -17px;\"><\/p>\n<p> \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u043c\u0430\u0442\u0440\u0438\u0446\u0430<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1565c44a2743bb11e27ba41203073382_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} a &amp; b  \\\\ c &amp; d  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"55\" style=\"vertical-align: -17px;\"><\/p>\n<p> . \u0410 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u0440\u0430\u0432\u0435\u043d \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044e \u0435\u0435 \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b (\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e 1). \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, <strong>\u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u044d\u0442\u043e\u0433\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0442\u0430\u043a\u0436\u0435 \u0440\u0430\u0432\u0435\u043d 3.<\/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-5bf7ae0a2ff32d75a6f7abafb623639c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} a &amp; c  \\\\[1.1ex] b &amp; d  \\end{vmatrix}=\\begin{vmatrix} a &amp; b \\\\[1.1ex] c &amp; d  \\end{vmatrix}=\\bm{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"147\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> <strong>\u0431)<\/strong> \u0412 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0438<\/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-9255a916d06e3d7689e830d0456f5c74_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} b &amp; a  \\\\ d &amp; c  \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"43\" style=\"vertical-align: -17px;\"><\/p>\n<p> \u0441\u0442\u043e\u043b\u0431\u0446\u044b 1 \u0438 2 \u0431\u044b\u043b\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u044b \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3e84a753ce5d5bfe9dd6831b42857b30_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} a &amp; b \\\\ c &amp; d  \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"43\" style=\"vertical-align: -17px;\"><\/p>\n<p> . \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043f\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0443 4 <strong>\u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0442\u043e\u0442 \u0436\u0435, \u0447\u0442\u043e \u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0432\u044b\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u043d\u0438\u044f, \u043d\u043e \u0441 \u0434\u0440\u0443\u0433\u0438\u043c \u0437\u043d\u0430\u043a\u043e\u043c, \u0442. \u0435. -3.<\/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-d6d14aa2f6b8c7d1fd064daef8dd0eec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} b &amp; a  \\\\[1.1ex] d &amp; c  \\end{vmatrix} = - \\begin{vmatrix} a &amp; b \\\\[1.1ex] c &amp; d  \\end{vmatrix}= \\bm{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"178\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> <strong>\u0432)<\/strong> \u0412 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0438<\/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-f343927516e13005f5d744228bfdfec6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} a &amp; 3b  \\\\ c &amp; 3d  \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"52\" style=\"vertical-align: -17px;\"><\/p>\n<p> \u0432\u0435\u0441\u044c \u0432\u0442\u043e\u0440\u043e\u0439 \u0441\u0442\u043e\u043b\u0431\u0435\u0446 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0432\u044b\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u043d\u0438\u044f \u0443\u043c\u043d\u043e\u0436\u0435\u043d \u043d\u0430 3. \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0438\u0437 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 5 \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0432\u0435\u0441\u0442\u0438, \u0447\u0442\u043e <strong>\u0435\u0433\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0442\u0430\u043a\u0436\u0435 \u0431\u0443\u0434\u0435\u0442 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0432\u044b\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u043d\u0438\u044f, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430 3, \u0442. \u0435. 9.<\/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-b1a7ffec429367a2fd967a197d0299d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} a &amp; 3b  \\\\[1.1ex] c &amp; 3d  \\end{vmatrix} =3 \\begin{vmatrix} a &amp; b \\\\[1.1ex] c &amp; d  \\end{vmatrix} =3 \\cdot 3 = \\bm{9}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"222\" 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\">\u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 5<\/h3>\n<p> \u041c\u044b \u0437\u043d\u0430\u0435\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u044d\u0442\u0438\u0445 \u0434\u0432\u0443\u0445 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439: <\/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-e938c40ce401263da9835fa77fc9a1dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\vert A \\vert = \\begin{vmatrix} 1 &amp; 2 &amp; 0 &amp; 1 \\\\[1.1ex] -2 &amp; -1 &amp; 1 &amp; 0 \\\\[1.1ex] 1 &amp; 3 &amp; 3 &amp; -1 \\\\[1.1ex] 3 &amp; 4 &amp; 1 &amp; 1 \\end{vmatrix}=8\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"215\" 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-6cea0d73e66099f2a10f71f7267baee9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\vert B \\vert = \\begin{vmatrix} 0 &amp; 1 &amp; 3 &amp; 2 \\\\[1.1ex] -1 &amp; -2 &amp; 0 &amp; 0 \\\\[1.1ex] 3 &amp; 1 &amp; 1 &amp; 2 \\\\[1.1ex] -1 &amp; 2 &amp; 3 &amp; 1 \\end{vmatrix} = - 4\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"216\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u041f\u043e \u044d\u0442\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u0439\u0442\u0435: <\/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-cce5c21696d6cc754d3b49cb7ea5457b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\vert A \\cdot B \\vert\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"46\" style=\"vertical-align: -5px;\"><\/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>\u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \u0414\u043b\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043d\u0435 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u0435\u0440\u0435\u043c\u043d\u043e\u0436\u0430\u0442\u044c \u043c\u0430\u0442\u0440\u0438\u0446\u044b 4\u04454. \u0422\u0430\u043a \u043a\u0430\u043a <strong>\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0434\u0432\u0443\u0445 \u043c\u0430\u0442\u0440\u0438\u0446 \u0440\u0430\u0432\u0435\u043d \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0439 \u043c\u0430\u0442\u0440\u0438\u0446\u044b \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438<\/strong> (\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e 6). \u0415\u0449\u0435: <\/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-b1e9aef3e2499e7ed6d085319ce955e5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vert A \\cdot B \\vert  = \\vert A \\vert \\cdot \\vert B \\vert = 8 \\cdot (-4) = \\bm{-32}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"268\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0412 \u044d\u0442\u043e\u043c \u0440\u0430\u0437\u0434\u0435\u043b\u0435 \u043c\u044b \u0443\u0432\u0438\u0434\u0438\u043c, \u043a\u0430\u043a\u043e\u0432\u044b \u0432\u0441\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439 . \u041c\u044b \u0442\u0430\u043a\u0436\u0435 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u043c \u043a\u0430\u0436\u0434\u043e\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435, \u0447\u0442\u043e\u0431\u044b \u0432\u044b \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0438\u0445 \u043f\u043e\u043d\u044f\u043b\u0438. \u0410, \u043a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0432\u044b \u043d\u0430\u0439\u0434\u0435\u0442\u0435 \u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u044f, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439. \u041d\u0438\u0436\u0435 \u043c\u044b \u043e\u0431\u044a\u044f\u0441\u043d\u0438\u043c \u043a\u0430\u0436\u0434\u043e\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439 \u043e\u0434\u043d\u043e \u0437\u0430 \u0434\u0440\u0443\u0433\u0438\u043c, \u043d\u043e \u0435\u0441\u043b\u0438 \u0432\u044b \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u0438\u0442\u0430\u0435\u0442\u0435, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u0440\u0430\u0437\u0443 \u043f\u0435\u0440\u0435\u0439\u0442\u0438 \u043a \u0441\u0432\u043e\u0434\u043d\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0435 \u043d\u0438\u0436\u0435. \ud83d\ude09 \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ru\/%d1%81%d0%b2%d0%be%d0%b8%d1%81%d1%82%d0%b2%d0%b0-%d0%be%d0%bf%d1%80%d0%b5%d0%b4%d0%b5%d0%bb%d0%b8%d1%82%d0%b5%d0%bb%d0%b5%d0%b8-%d0%bf%d1%80%d0%b8%d0%bc%d0%b5%d1%80%d1%8b-%d0%b8-%d1%83%d0%bf%d1%80\/\"> <span class=\"screen-reader-text\">\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u0439<\/span> \u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 &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":[7],"tags":[],"class_list":["post-289","post","type-post","status-publish","format-standard","hentry","category-7"],"yoast_head":"<!-- This site is optimized 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