{"id":289,"date":"2023-07-06T18:52:35","date_gmt":"2023-07-06T18:52:35","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e8%a3%9c%e8%b6%b3%e7%9a%84%e3%81%aa%e4%be%8b%e3%81%a8%e8%a7%a3%e6%b1%ba%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92%e3%81%ab%e3%82%88%e3%82%8b-4x4-%e3%81%ae%e8%a1%8c%e5%88%97%e5%bc%8f\/"},"modified":"2023-07-06T18:52:35","modified_gmt":"2023-07-06T18:52:35","slug":"%e8%a3%9c%e8%b6%b3%e7%9a%84%e3%81%aa%e4%be%8b%e3%81%a8%e8%a7%a3%e6%b1%ba%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92%e3%81%ab%e3%82%88%e3%82%8b-4x4-%e3%81%ae%e8%a1%8c%e5%88%97%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e8%a3%9c%e8%b6%b3%e7%9a%84%e3%81%aa%e4%be%8b%e3%81%a8%e8%a7%a3%e6%b1%ba%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92%e3%81%ab%e3%82%88%e3%82%8b-4x4-%e3%81%ae%e8%a1%8c%e5%88%97%e5%bc%8f\/","title":{"rendered":"\u88dc\u6570\u307e\u305f\u306f\u4f59\u56e0\u5b50\u306b\u3088\u3063\u3066 4&#215;4 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001<strong>\u52a0\u7b97\u307e\u305f\u306f\u4f59\u56e0\u5b50\u306b\u3088\u3063\u3066\u884c\u5217\u5f0f<\/strong>\u3092\u89e3\u304f\u65b9\u6cd5\u3068\u3001<strong>\u6b21\u5143 4\u00d74 \u306e\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3092<\/strong>\u8aac\u660e\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u30014 \u6b21\u306e\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u89e3\u304f\u306b\u306f\u3001\u307e\u305a\u884c\u307e\u305f\u306f\u5217\u306e\u968f\u4f34\u9805\u3092\u4f7f\u7528\u3057\u3066\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b\u968f\u4f34\u56e0\u5b50\u307e\u305f\u306f\u88dc\u56e0\u5b50\u306b\u3088\u3063\u3066\u884c\u5217\u5f0f\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3001\u6b21\u306b\u6b21\u6570 4 \u306e\u884c\u5217\u5f0f\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059<strong>\u3002<\/strong><\/p>\n<h2 class=\"wp-block-heading\">\u52a0\u7b97\u307e\u305f\u306f\u4f59\u56e0\u5b50\u306b\u3088\u3063\u3066\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u884c\u5217\u5f0f\u306f\u3001\u4efb\u610f\u306e\u884c\u307e\u305f\u306f\u5217\u306e\u8981\u7d20\u306e\u7a4d\u3092\u305d\u308c\u305e\u308c\u306e<strong>\u88dc\u6570 (\u307e\u305f\u306f\u4f59\u56e0\u5b50)<\/strong>\u3067\u52a0\u7b97\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u3001\u968f\u4f34\u56e0\u5b50\u307e\u305f\u306f\u4f59\u56e0\u5b50\u306b\u3088\u3063\u3066\u884c\u5217\u5f0f\u3092\u89e3\u304f\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u30e9\u30d7\u30e9\u30b9\u306e\u6cd5\u5247 (\u307e\u305f\u306f\u30e9\u30d7\u30e9\u30b9\u306e\u5b9a\u7406) \u3092\u6559\u3048\u3066\u304f\u308c\u308b\u6570\u5b66\u8005\u3055\u3048\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u4ee3\u7406\u4eba\u306b\u3088\u308b\u884c\u5217\u5f0f\u306e\u89e3\u6c7a\u306e\u4f8b:<\/h3>\n<p> <a href=\"https:\/\/mathority.org\/ja\/\u884c\u5217\u5f0f-3x3-sarrus-\u30eb\u30fc\u30eb\u306e\u4f8b\u3068\u6f14\u7fd2\u554f\u984c\/\">3 \u00d7 3 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092<\/a>\u968f\u4f34\u6cd5\u3067\u89e3\u304f\u5b9f\u969b\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6b21\u306e\u6c7a\u5b9a\u8981\u56e0\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/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>\u307e\u305a\u3001\u884c\u5217\u5f0f\u306e\u5217\u307e\u305f\u306f\u884c\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001<strong>\u6700\u521d\u306e\u5217\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/strong>\u3053\u308c\u306f\u30010 \u304c\u3042\u308a\u3001\u89e3\u6c7a\u304c\u5bb9\u6613\u3067\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067<strong>\u3001\u6700\u521d\u306e\u5217\u306e\u8981\u7d20\u306b\u305d\u308c\u305e\u308c\u306e\u4ee3\u7406\u8981\u7d20\u3092\u4e57\u7b97\u3059\u308b<\/strong>\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/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 \u306e\u88dc\u6570\u306f 0 \u3092\u639b\u3051\u308b\u3068\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u308b\u305f\u3081\u3001\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6b21\u306e\u3088\u3046\u306b\u5358\u7d14\u5316\u3067\u304d\u307e\u3059\u3002<\/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>\u6b21\u306b<strong>\u88dc\u6570\u306e\u8a08\u7b97<\/strong>\u306b\u9032\u307f\u307e\u3059\u3002 <\/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\">\u306e<strong>\u4ee3\u7406\u3092<\/strong>\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u3053\u3068\u3092\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/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> \u3001\u3064\u307e\u308a\u30e9\u30a4\u30f3\u30a2\u30a4\u30c6\u30e0<\/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>\u305d\u3057\u3066\u30b3\u30e9\u30e0<\/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>\u3001\u6b21\u306e\u5f0f\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/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\">\u3053\u3053\u3067\u3001\u306e\u76f8\u88dc\u7684\u30de\u30a4\u30ca\u30fc\u306f<\/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>\u884c\u3092\u524a\u9664\u3057\u305f\u884c\u5217\u306e\u884c\u5217\u5f0f\u3067\u3059\u3002<\/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>\u305d\u3057\u3066\u30b3\u30e9\u30e0<\/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>\u3002<\/p>\n<\/div>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<p>\u3079\u304d\u4e57\u3068\u884c\u5217\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002<\/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>\u305d\u3057\u3066\u3001\u8a08\u7b97\u6a5f\u3092\u4f7f\u3063\u3066\u64cd\u4f5c\u3057\u307e\u3059\u3002<\/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>\u3057\u305f\u304c\u3063\u3066\u3001<strong>\u884c\u5217\u5f0f\u306e\u7d50\u679c\u306f -3 \u306b\u306a\u308a\u307e\u3059\u3002<\/strong><\/p>\n<p> Sarrus \u306e\u6cd5\u5247\u3092\u4f7f\u7528\u3057\u3066\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u3068\u3001\u540c\u3058\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/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>\u884c\u5217\u5f0f\u304c\u4ee3\u7406\u4eba\u306b\u3088\u3063\u3066\u8a08\u7b97\u3055\u308c\u308b\u65b9\u6cd5\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u6b21\u306f 4 \u6b21\u306e\u884c\u5217\u5f0f\u306e\u7d50\u679c\u3092\u6c42\u3081\u308b\u65b9\u6cd5\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\"> 4\u00d74\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"><strong>\u6b21\u6570 4 \u306e\u884c\u5217\u306e\u884c\u5217\u5f0f<\/strong>\u3092\u89e3\u304f\u306b\u306f\u3001\u5148\u307b\u3069\u898b\u305f\u624b\u9806\u3092\u4ee3\u7406\u306b\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u4efb\u610f\u306e\u884c\u307e\u305f\u306f\u5217\u3092\u9078\u629e\u3057\u3001\u305d\u306e\u8981\u7d20\u306e\u7a4d\u3092\u305d\u308c\u305e\u308c\u306e\u88dc\u6570\u3067\u52a0\u7b97\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u30014 \u00d7 4 \u884c\u5217\u5f0f\u3067\u3053\u306e\u624b\u9806\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u591a\u304f\u306e 3 \u00d7 3 \u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u6642\u9593\u304c\u304b\u304b\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30a2\u30b8\u30e7\u30a4\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308b\u524d\u306b<strong>\u3001\u30ac\u30a6\u30b9\u6cd5\u3068\u540c\u69d8\u306b\u3001\u30e9\u30a4\u30f3\u306b\u5bfe\u3057\u3066\u5909\u63db\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059<\/strong>\u3002\u884c\u5217\u5f0f\u306e\u884c\u306f\u3001\u540c\u3058\u884c\u3068\u5225\u306e\u884c\u306e\u5408\u8a08\u306b\u6570\u5024\u3092\u4e57\u3058\u305f\u3082\u306e\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u3057\u305f\u304c\u3063\u3066\u3001\u4ee3\u7406\u306b\u3088\u3063\u3066\u6b21\u6570 4 \u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u8a08\u7b97\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u3001<strong>\u6700\u3082\u591a\u304f\u306e 0 \u3092\u542b\u3080\u5217\u3092<\/strong>\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306b\u3001\u884c\u306b\u5bfe\u3057\u3066\u5185\u90e8\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3066\u3001\u5217\u5185\u306e 1 \u3064\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u8981\u7d20\u304c null \u306b\u306a\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3092\u4f7f\u7528\u3057\u3066 4&#215;4 \u884c\u5217\u5f0f\u304c\u3069\u306e\u3088\u3046\u306b\u4f5c\u6210\u3055\u308c\u308b\u304b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3 class=\"wp-block-heading\"> 4\u00d74 \u884c\u5217\u5f0f\u3092\u89e3\u304f\u4f8b:<\/h3>\n<p>\u6b21\u306e 4\u00d74 \u6b63\u65b9\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002<\/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>\u3053\u306e\u5834\u5408\u3001\u30bc\u30ed\u304c\u6700\u3082\u591a\u304f\u542b\u307e\u308c\u308b\u5217\u304c\u6700\u521d\u306e\u5217\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001<strong>\u6700\u521d\u306e\u5217\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/strong><\/p>\n<p>\u305d\u3057\u3066\u3001\u3053\u306e\u5217\u306b 1 \u304c\u3042\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u3092\u5229\u7528\u3057\u3066\u3001\u6700\u521d\u306e\u5217\u306e\u4ed6\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u3092 0 \u306b\u5909\u63db\u3057\u307e\u3059\u30021 \u304c\u3042\u308b\u884c\u3092\u4f7f\u7528\u3057\u3066\u8a08\u7b97\u3092\u884c\u3046\u65b9\u304c\u7c21\u5358\u3067\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5217\u5185\u306e\u4ed6\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u3092 0 \u306b\u3059\u308b\u306b\u306f\u3001<strong>\u6700\u521d\u306e\u884c\u3092 2 \u884c\u76ee\u306b\u52a0\u7b97\u3057<\/strong>\u3001 <strong>2 \u3092\u4e57\u7b97\u3057\u305f\u6700\u521d\u306e\u884c\u3092 4 \u884c\u76ee\u304b\u3089\u6e1b\u7b97\u3057\u307e\u3059<\/strong>\u3002 3 \u884c\u76ee\u306f\u3001\u6700\u521d\u306e\u5217\u306b\u3059\u3067\u306b 0 \u304c\u3042\u308b\u305f\u3081\u3001\u5909\u66f4\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002 <\/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>\u9078\u629e\u3057\u305f\u5217\u306e 1 \u3064\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u8981\u7d20\u3092 0 \u306b\u5909\u63db\u3057\u305f\u3089\u3001\u4ee3\u7406\u306b\u3088\u3063\u3066\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u3064\u307e\u308a<strong>\u3001\u5217\u306e\u8981\u7d20\u306e\u7a4d\u3092\u305d\u308c\u305e\u308c\u306e\u4ee3\u7406\u3067\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/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>\u9805\u306b 0 \u3092\u639b\u3051\u308b\u3068\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u308b\u305f\u3081\u3001\u7c21\u7565\u5316\u3057\u307e\u3059\u3002 <\/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>\u3057\u305f\u304c\u3063\u3066\u30011 \u306e\u968f\u4f34\u3092\u8a08\u7b97\u3059\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002<\/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 \u5247\u3068\u3079\u304d\u4e57\u3092\u4f7f\u7528\u3057\u3066\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 <\/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\">\u6700\u5f8c\u306b\u3001\u8a08\u7b97\u6a5f\u3092\u4f7f\u7528\u3057\u3066\u6f14\u7b97\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002 <\/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 \u884c\u5217\u5f0f\u306e\u6f14\u7fd2\u554f\u984c\u3092\u89e3\u3044\u305f<\/h2>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1<\/h3>\n<p>\u6b21\u306e\u6b21\u6570 4 \u306e\u884c\u5217\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002 <\/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>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u4f59\u56e0\u5b50\u6cd5\u3092\u4f7f\u7528\u3057\u3066 4\u00d74 \u884c\u5217\u5f0f\u306e\u7d50\u679c\u3092\u6c42\u3081\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6700\u521d\u306b\u884c\u306b\u5bfe\u3057\u3066\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3066\u3001\u5217\u306e 1 \u3064\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u30bc\u30ed\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/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\">\u305d\u3057\u3066\u3001\u884c\u5217\u5f0f 4\u00d74 \u3092\u6700\u5f8c\u306e\u5217\u3068\u306e\u968f\u4f34\u95a2\u6570\u3067\u89e3\u304d\u307e\u3059\u3002<\/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\">\u7528\u8a9e\u3092\u7c21\u7565\u5316\u3057\u307e\u3059\u3002 <\/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\"> 1 \u306e\u968f\u4f34\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/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\">\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001Sarrus \u306e\u6cd5\u5247\u3092\u4f7f\u7528\u3057\u3066 3\u00d73 \u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 <\/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\">\u6f14\u7fd2 2<\/h3>\n<p>\u6b21\u306e\u6b21\u6570 4 \u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 <\/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>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u88dc\u56e0\u5b50\u306b\u3088\u3063\u3066 4\u00d74 \u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u307e\u305a\u884c\u306b\u5bfe\u3057\u3066\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3066\u3001\u5217\u306e 1 \u3064\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u8981\u7d20\u3092 0 \u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/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\">\u3053\u3053\u3067\u3001\u884c\u5217\u5f0f 4\u00d74 \u3092 2 \u756a\u76ee\u306e\u5217\u3068\u306e\u968f\u4f34\u95a2\u6570\u306b\u3088\u3063\u3066\u89e3\u304d\u307e\u3059\u3002<\/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\">\u7528\u8a9e\u3092\u7c21\u7565\u5316\u3057\u307e\u3059\u3002 <\/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\"> 1 \u306e\u968f\u4f34\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/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\">\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001Sarrus \u30eb\u30fc\u30eb\u3068\u96fb\u5353\u3092\u4f7f\u7528\u3057\u3066 3\u00d73 \u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 <\/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\">\u6f14\u7fd2 3<\/h3>\n<p>\u6b21\u306e\u6b21\u6570 4 \u306e\u884c\u5217\u5f0f\u306e\u7d50\u679c\u3092\u6c42\u3081\u307e\u3059\u3002 <\/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>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">4\u00d74\u306e\u884c\u5217\u5f0f\u3092\u8b70\u54e1\u3067\u89e3\u304d\u307e\u3059\u3002\u6700\u521d\u306b\u884c\u306b\u5bfe\u3057\u3066\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3066\u3001\u5217\u5185\u306e 1 \u3064\u306e\u8981\u7d20\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u30bc\u30ed\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/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\">\u3053\u3053\u3067\u30013 \u756a\u76ee\u306e\u5217\u306e\u4ee3\u7406\u306b\u3088\u3063\u3066\u884c\u5217\u5f0f 4\u00d74 \u3092\u89e3\u304d\u307e\u3059\u3002<\/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\">\u7528\u8a9e\u3092\u7c21\u7565\u5316\u3057\u307e\u3059\u3002 <\/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\"> 1 \u306e\u968f\u4f34\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/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\">\u6700\u5f8c\u306b\u3001Sarrus \u30eb\u30fc\u30eb\u3068\u96fb\u5353\u3092\u4f7f\u7528\u3057\u3066 3\u00d73 \u884c\u5217\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002 <\/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\">\u6f14\u7fd2 4<\/h3>\n<p>\u6b21\u306e\u6b21\u6570 4 \u306e\u884c\u5217\u5f0f\u306e\u7d50\u679c\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 <\/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>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u30e9\u30d7\u30e9\u30b9\u306e\u6cd5\u5247\u3092\u4f7f\u3063\u3066\u884c\u5217\u5f0f4\u00d74\u3092\u89e3\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6700\u521d\u306b\u884c\u306b\u5bfe\u3057\u3066\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3066\u3001\u5217\u5185\u306e 1 \u3064\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u30bc\u30ed\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/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\">\u3053\u3053\u3067\u3001\u6700\u521d\u306e\u5217\u306e\u884c\u5217\u5f0f 4\u00d74 \u3092\u4ee3\u7406\u3057\u3066\u89e3\u304d\u307e\u3059\u3002<\/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\">\u7528\u8a9e\u3092\u7c21\u7565\u5316\u3057\u307e\u3059\u3002 <\/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 \u306e\u968f\u4f34\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/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\">\u6700\u5f8c\u306b\u3001Sarrus \u30eb\u30fc\u30eb\u3068\u96fb\u5353\u3092\u4f7f\u7528\u3057\u3066 3\u00d73 \u884c\u5217\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002 <\/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>\u3053\u308c\u3060\u3051\u7df4\u7fd2\u3092\u7a4d\u3093\u3067\u304d\u305f\u3042\u306a\u305f\u306f\u3001\u304a\u305d\u3089\u304f 4&#215;4 \u884c\u5217\u5f0f\u306e\u89e3\u304d\u65b9\u3092\u3059\u3067\u306b\u77e5\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u3002\u7d20\u6674\u3089\u3057\u3044\uff01\u3053\u308c\u3089\u3059\u3079\u3066\u306e\u6f14\u7fd2\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u975e\u5e38\u306b\u591a\u304f\u306e\u4eba\u304c\u304b\u304b\u308b<a href=\"https:\/\/mathority.org\/ja\/\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306e\u30e9\u30f3\u30af\/\">4\u00d74 \u6b21\u5143\u306e\u884c\u5217\u306e\u7bc4\u56f2\u3092<\/a>\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u52a0\u7b97\u307e\u305f\u306f\u4f59\u56e0\u5b50\u306b\u3088\u3063\u3066\u884c\u5217\u5f0f\u3092\u89e3\u304f\u65b9\u6cd5\u3068\u3001\u6b21\u5143 4\u00d74 \u306e\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u30014 \u6b21\u306e\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u89e3\u304f\u306b\u306f\u3001\u307e\u305a\u884c\u307e\u305f\u306f\u5217\u306e\u968f\u4f34\u9805\u3092\u4f7f\u7528\u3057\u3066\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u304a\u304f &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e8%a3%9c%e8%b6%b3%e7%9a%84%e3%81%aa%e4%be%8b%e3%81%a8%e8%a7%a3%e6%b1%ba%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92%e3%81%ab%e3%82%88%e3%82%8b-4x4-%e3%81%ae%e8%a1%8c%e5%88%97%e5%bc%8f\/\"> <span class=\"screen-reader-text\">\u88dc\u6570\u307e\u305f\u306f\u4f59\u56e0\u5b50\u306b\u3088\u3063\u3066 4&#215;4 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5<\/span> \u3082\u3063\u3068\u8aad\u3080 &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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