{"id":291,"date":"2023-07-06T17:52:46","date_gmt":"2023-07-06T17:52:46","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e8%a7%a3%e3%81%8d%e6%96%b9%e3%81%ae%e4%be%8b%e3%81%a8-2x2-%e3%81%8a%e3%82%88%e3%81%b3-3x3-%e8%a1%8c%e5%88%97%e3%81%ae%e6%bc%94%e7%bf%92%e5%95%8f\/"},"modified":"2023-07-06T17:52:46","modified_gmt":"2023-07-06T17:52:46","slug":"%e8%a1%8c%e5%88%97%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e8%a7%a3%e3%81%8d%e6%96%b9%e3%81%ae%e4%be%8b%e3%81%a8-2x2-%e3%81%8a%e3%82%88%e3%81%b3-3x3-%e8%a1%8c%e5%88%97%e3%81%ae%e6%bc%94%e7%bf%92%e5%95%8f","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e8%a7%a3%e3%81%8d%e6%96%b9%e3%81%ae%e4%be%8b%e3%81%a8-2x2-%e3%81%8a%e3%82%88%e3%81%b3-3x3-%e8%a1%8c%e5%88%97%e3%81%ae%e6%bc%94%e7%bf%92%e5%95%8f\/","title":{"rendered":"\u884c\u5217\u65b9\u7a0b\u5f0f"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001<strong>\u884c\u5217\u65b9\u7a0b\u5f0f\u3068<\/strong>\u306f\u4f55\u304b\u3001\u305d\u3057\u3066\u305d\u306e\u89e3\u304d\u65b9\u3092\u5b66\u3073\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u884c\u5217\u3092\u4f7f\u7528\u3057\u305f\u65b9\u7a0b\u5f0f\u306e\u4f8b\u3068\u6f14\u7fd2\u554f\u984c\u3082\u898b\u3064\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u884c\u5217\u65b9\u7a0b\u5f0f\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p><strong>\u884c\u5217\u65b9\u7a0b\u5f0f\u306f<\/strong>\u6b63\u898f\u65b9\u7a0b\u5f0f\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u6570\u5024\u3067\u306f\u306a\u304f\u884c\u5217\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2bc59624603d48ea9b4df50b4c052437_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  AX=B\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"67\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u89e3 X \u3082\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3059\u3067\u306b\u3054\u5b58\u77e5\u306e\u3068\u304a\u308a\u3001\u884c\u5217\u306f\u5206\u5272\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u884c\u5217 X \u306f\u3001\u65b9\u7a0b\u5f0f\u306e\u53cd\u5bfe\u5074\u3067\u4e57\u7b97\u3055\u308c\u305f\u884c\u5217\u3092\u9664\u7b97\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u306f\u3067\u304d\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-13f935eb2129110be40aa176554bb557_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\renewcommand{\\CancelColor}{\\color{red}}  \\xcancel{X =\\cfrac{B}{A}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"57\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u9006\u306b\u3001X \u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u30af\u30ea\u30a2\u3059\u308b\u306b\u306f\u3001\u624b\u9806\u5168\u4f53\u306b\u5f93\u308f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3067\u306f\u3001\u89e3\u6c7a\u6e08\u307f\u6f14\u7fd2\u3067\u884c\u5217\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 class=\"estil_titol_H2 wp-block-heading\">\u884c\u5217\u65b9\u7a0b\u5f0f\u306e\u89e3\u304d\u65b9\u3002\u4f8b\uff1a<\/h2>\n<ul>\n<li>\u6b21\u306e\u884c\u5217\u65b9\u7a0b\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c9274aedf7d1f424b7e21547f7968321_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  AX+B = C\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"103\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9727c78818a9661573310f22ec2fb3cf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A =\\begin{pmatrix}2 &amp; 1 \\\\[1.1ex] 4 &amp; 3 \\end{pmatrix} \\qquad B = \\begin{pmatrix} 3 &amp; -1 \\\\[1.1ex] 0 &amp; 5 \\end{pmatrix} \\qquad C =\\begin{pmatrix} 2 &amp; 1 \\\\[1.1ex] 6 &amp; -3\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"399\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6700\u521d\u306b\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u3001\u884c\u5217 X \u3092\u89e3\u304f\u3053\u3068\u3067\u3059\u3002\u305d\u3053\u3067\u3001<strong>\u65b9\u7a0b\u5f0f\u306e\u53cd\u5bfe\u5074\u304b\u3089<\/strong><strong>\u884c\u5217 B \u3092\u6e1b\u7b97\u3057\u307e\u3059<\/strong>\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-c9274aedf7d1f424b7e21547f7968321_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  AX+B = C\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"103\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9e74a9aaf9e3c11fb261374224402346_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  AX = C-B\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"103\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u5206\u5272\u3057\u3066\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u6b21\u306e\u3053\u3068\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u65b9\u7a0b\u5f0f\u306e\u4e21\u8fba\u306b<strong>\u3001\u884c\u5217 X \u3092\u4e57\u7b97\u3059\u308b\u884c\u5217\u306e\u9006\u6570<\/strong>\u3092\u4e57\u7b97\u3057\u3001\u3055\u3089\u306b\u3001<strong>\u4e21\u8fba\u306b\u524d\u8a18\u884c\u5217\u304c\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u8fba\u3092\u4e57\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n<p>\u3053\u306e\u5834\u5408\u3001X \u3092\u4e57\u7b97\u3059\u308b\u884c\u5217\u306f A \u3067\u3042\u308a\u3001\u305d\u306e\u5de6\u5074\u306b\u3042\u308a\u307e\u3059\u3002<strong>\u3057\u305f\u304c\u3063\u3066\u3001\u65b9\u7a0b\u5f0f\u306e\u5de6\u4e21\u8fba\u306b A \u306e\u9006\u6570<\/strong>(A <sup>-1<\/sup> ) \u3092\u639b\u3051\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-9e74a9aaf9e3c11fb261374224402346_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  AX = C-B\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"103\" 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-d233c41796c59c73995600f80e74f323_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\definecolor{vermell}{HTML}{F44336} \\color{vermell}\\bm{A^{-1}} \\color{black} \\cdot AX =  \\color{vermell}\\bm{A^{-1}} \\color{black}  \\cdot (C-B)\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"587\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u884c\u5217\u306e\u9006\u6570\u3092\u4e57\u7b97\u3057\u305f\u3082\u306e\u306f\u5358\u4f4d\u884c\u5217\u3068\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u307e\u3060<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7ecd5173741978b59218941381221723_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{A^{-1} \\cdot A = I }:\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"100\" 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-58279bb023cd9b14c2019eccfc240afa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  IX = A^{-1} \\cdot (C-B)\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"156\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u884c\u5217\u306b\u5358\u4f4d\u884c\u5217\u3092\u4e57\u7b97\u3059\u308b\u3068\u3001\u540c\u3058\u884c\u5217\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u307e\u3060\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-de90329d45b7fa427640506649c111e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  X = A^{-1} \\cdot (C-B)\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"147\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001<strong>\u3059\u3067\u306b X \u3092\u6d88\u53bb\u3057\u307e\u3057\u305f\u3002<\/strong>\u3042\u3068\u306f\u884c\u5217\u6f14\u7b97\u3092\u884c\u3046\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b A \u306e<a href=\"https:\/\/mathority.org\/ja\/\u9006\u884c\u5217\/\">2 \u00d7 2 \u9006\u884c\u5217<\/a>\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-b79c0ae6349ac5ac0267e179e641b66e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A =\\begin{pmatrix}2 &amp; 1 \\\\[1.1ex] 4 &amp; 3 \\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-1fe85ec6c4385daba7d2488b0d60ee2d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1} = \\cfrac{1}{\\vert A \\vert } \\cdot \\Bigl( \\text{Adj}(A)\\Bigr)^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"175\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p>\u884c\u5217 A \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-1eb7c7a828453c5310d59386f0303b83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\cfrac{1}{2} \\cdot \\begin{pmatrix}3 &amp; -4 \\\\[1.1ex] -1 &amp; 2 \\end{pmatrix}^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"57\" width=\"173\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<p> \u968f\u4f34\u884c\u5217\u304c\u898b\u3064\u304b\u3063\u305f\u3089\u3001\u9006\u884c\u5217\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b<a href=\"https:\/\/mathority.org\/ja\/\u8ee2\u7f6e\u884c\u5217\u307e\u305f\u306f\u8ee2\u7f6e\u884c\u5217\u306e\u4f8b\u3068\u6f14\u7fd2\u3092\u89e3\u3044\u305f\u3082\u306e\/\">\u8ee2\u7f6e\u884c\u5217\u306e<\/a>\u8a08\u7b97\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-aa12c355319a6894e76343c9cb9185d3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\cfrac{1}{2} \\cdot \\begin{pmatrix}3 &amp; -1 \\\\[1.1ex] -4 &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"164\" 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-a2fd06e0ad4a2a18560f644b718dadf4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\begin{pmatrix} \\frac{3}{2} &amp; -\\frac{1}{2} \\\\[1.3ex] -2 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"143\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3053\u3053\u3067\u3001\u3059\u3079\u3066\u306e\u884c\u5217\u3092\u5f0f\u306b\u4ee3\u5165\u3057\u3066 X \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-de90329d45b7fa427640506649c111e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  X = A^{-1} \\cdot (C-B)\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"147\" 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-99716e9accb7ee578fb1119d4e800e4f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  X = \\begin{pmatrix} \\frac{3}{2} &amp; -\\frac{1}{2} \\\\[1.3ex] -2 &amp; 1\\end{pmatrix} \\cdot \\left(\\begin{pmatrix} \\vphantom{\\frac{3}{2}} 2 &amp; 1 \\\\[1.3ex] 6 &amp; -3\\end{pmatrix}-\\begin{pmatrix} \\vphantom{\\frac{3}{2}}3 &amp; -1 \\\\[1.3ex] 0 &amp; 5 \\end{pmatrix}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"341\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u305d\u3057\u3066\u884c\u5217\u3092\u4f7f\u3063\u3066\u6f14\u7b97\u3092\u89e3\u304d\u307e\u3059\u3002\u307e\u305a\u884c\u5217\u3092\u6e1b\u7b97\u3057\u3066\u62ec\u5f27\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-d07c28ad6104e391605836ecdd297251_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  X = \\begin{pmatrix} \\frac{3}{2} &amp; -\\frac{1}{2} \\\\[1.3ex] -2 &amp; 1\\end{pmatrix}\\begin{pmatrix} -1 &amp; 2 \\\\[1.1ex] 6 &amp; -8 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"220\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u884c\u5217\u3092\u4e57\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-b28076f6ab18dc77a0083388046c5cd1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  X = \\begin{pmatrix} \\frac{3}{2}\\cdot (-1) + \\left(-\\frac{1}{2} \\right) \\cdot 6 &amp; \\frac{3}{2}\\cdot 2 + \\left(-\\frac{1}{2} \\right)\\cdot (-8) \\\\[1.3ex] -2\\cdot (-1)+1\\cdot 6 &amp; -2\\cdot 2 +1\\cdot (-8) \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"368\" 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-7d20e85150a382ba9f11bf328b866834_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  X = \\begin{pmatrix} -\\frac{3}{2} -\\frac{6}{2} &amp; 3 + 4 \\\\[1.3ex] 2+6 &amp; -4-8 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"190\" 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-5d3e7ebae094a92690d97b614b0487a4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\bm{X =} \\begin{pmatrix} \\bm{-} \\frac{\\bm{9}}{\\bm{2}} &amp; \\bm{7} \\\\[1.3ex] \\bm{8} &amp; \\bm{-12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"134\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\">\u884c\u5217\u65b9\u7a0b\u5f0f\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3057\u305f<\/h2>\n<p>\u6f14\u7fd2\u3092\u884c\u3063\u3066\u6982\u5ff5\u3092\u3088\u304f\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u4ee5\u4e0b\u306b\u3044\u304f\u3064\u304b\u306e\u884c\u5217\u65b9\u7a0b\u5f0f\u3092\u89e3\u3044\u3066\u793a\u3057\u307e\u3059\u3002\u6f14\u7fd2\u3092\u8a66\u3057\u3066\u3001\u89e3\u6c7a\u7b56\u304c\u6210\u529f\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8cea\u554f\u304c\u3042\u308c\u3070\u30b3\u30e1\u30f3\u30c8\u6b04\u3067\u8cea\u554f\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u304a\u5fd8\u308c\u306a\u304f\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1<\/h3>\n<p>\u306a\u308c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-36386dbc4f20fb573357a406ce713887_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a08b2dd56803fba7d8e5a0dcb0430601_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6b21\u306e\u6b21\u5143 2\u00d72 \u306e\u6b63\u65b9\u884c\u5217:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0f40b96fc0f1047fb0c39a7d41be04ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A =\\begin{pmatrix} 3 &amp; -1 \\\\[1.1ex] 1 &amp; 0 \\end{pmatrix} \\qquad B = \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] -1 &amp; 3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"261\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u8a08\u7b97\u3059\u308b<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3053\u308c\u306f\u6b21\u306e\u884c\u5217\u65b9\u7a0b\u5f0f\u3092\u6e80\u305f\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-ec1e9c04147230526534e694fb54f316_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle AX=B\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"67\" 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\">\u307e\u305a\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u7a7a\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u884c\u5217\u65b9\u7a0b\u5f0f\u306e\u6b21\u306e\u3068\u304a\u308a\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-ec1e9c04147230526534e694fb54f316_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle AX=B\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"67\" 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-e79aa1830295bd486a911b5f5c279c9e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1} \\cdot AX=A^{-1} \\cdot B\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"156\" 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-d76831ec8e157e150f59ce0900114b77_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle IX=A^{-1} \\cdot B\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"107\" 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-dc068e1794d487229ee0be3976454154_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=A^{-1} \\cdot B\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"98\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3057\u305f\u3089<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u660e\u3089\u304b\u3067\u3059\u3002\u884c\u5217\u3092\u64cd\u4f5c\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b A \u306e\u9006\u884c\u5217\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-2fb5c4785b78010fcac56e1189338b99_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A =\\begin{pmatrix} 3 &amp; -1 \\\\[1.1ex] 1 &amp; 0 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"109\" 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-1fe85ec6c4385daba7d2488b0d60ee2d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1} = \\cfrac{1}{\\vert A \\vert } \\cdot \\Bigl( \\text{Adj}(A)\\Bigr)^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"175\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7c4d4a6bfca6d2eedde52937c8ee0917_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\cfrac{1}{1} \\cdot \\begin{pmatrix} 0 &amp; -1 \\\\[1.1ex] 1 &amp; 3 \\end{pmatrix}^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"57\" width=\"160\" 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-695a05e4176ced4a4beaec27ce201b4a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\cfrac{1}{1} \\cdot \\begin{pmatrix}0 &amp; 1 \\\\[1.1ex] -1 &amp; 3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"151\" 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-a12ae8d0ae9ce16f04540ecd1a0ac907_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\begin{pmatrix} 0 &amp; 1 \\\\[1.1ex] -1 &amp; 3\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"127\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6b21\u306b\u3001\u65b9\u7a0b\u5f0f\u5185\u306e\u3059\u3079\u3066\u306e\u884c\u5217\u3092\u4ee3\u5165\u3057\u3066\u884c\u5217\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-f31b6ad36b8ba2d917f13bb377de636f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X :\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"25\" 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-dc068e1794d487229ee0be3976454154_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=A^{-1} \\cdot B\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"98\" 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-92d5f580fddfc830181cde2e67013987_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X= \\begin{pmatrix} 0 &amp; 1 \\\\[1.1ex] -1 &amp; 3\\end{pmatrix}\\cdot \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] -1 &amp; 3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"200\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u884c\u5217\u306e\u4e57\u7b97\u3092\u884c\u3044\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-787643b41cb362e276b8f80c9211fb52_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{X=} \\begin{pmatrix}\\bm{ -1} &amp; \\bm{3} \\\\[1.1ex] \\bm{-7} &amp; \\bm{7}\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"109\" 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>\u306a\u308c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-36386dbc4f20fb573357a406ce713887_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3001<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a08b2dd56803fba7d8e5a0dcb0430601_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cbff3f75ba97791e8db3213060854130_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6b21\u306e\u9806\u5e8f 2 \u884c\u5217:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4f4f1f244d15039c64282a9fe347cee4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A =\\begin{pmatrix} 3 &amp; 6 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix} \\qquad B = \\begin{pmatrix} -2 &amp; 1 \\\\[1.1ex] 3 &amp; -3 \\end{pmatrix}\\qquad C = \\begin{pmatrix} 6 &amp; 4 \\\\[1.1ex] 3 &amp; -2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"426\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u8a08\u7b97\u3059\u308b<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3053\u308c\u306f\u6b21\u306e\u884c\u5217\u65b9\u7a0b\u5f0f\u3092\u6e80\u305f\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-2779ee661e4a42242acbed40277bf774_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A+ XB=C\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"103\" style=\"vertical-align: -2px;\"><\/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\">\u6700\u521d\u306b\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u3001\u884c\u5217\u3092\u7a7a\u306b\u3059\u308b\u3053\u3068\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-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u884c\u5217\u65b9\u7a0b\u5f0f\u306e\u6b21\u306e\u3068\u304a\u308a\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-2779ee661e4a42242acbed40277bf774_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A+ XB=C\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"103\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0d8aea6239fb382563c5f5135145a77b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  XB=C-A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"103\" 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-4f7f75794139db4c21b8c91bb459a7a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle XB \\cdot B^{-1}=\\left(C-A\\right)\\cdot B^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"206\" 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-8766c612738778657de57a198fb0cd29_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle XI=\\left(C-A\\right)\\cdot B^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"156\" 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-7bd40901bc80289bb49d0fd47f6236c1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X = \\left(C-A\\right)\\cdot B^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"147\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u5206\u96e2\u3057\u305f\u3089<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3001\u884c\u5217\u3092\u64cd\u4f5c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b B \u306e\u9006\u884c\u5217\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-33c4a446ecdc391935728843e6a34964_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  B =\\begin{pmatrix} -2 &amp; 1 \\\\[1.1ex] 3 &amp; -3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"123\" 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-da88dade6c0344edc4f87207bc9b915c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B^{-1} = \\cfrac{1}{\\vert B \\vert } \\cdot \\Bigl( \\text{Adj}(B)\\Bigr)^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"178\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4850852b0e29a3d530b32dc1cd635499_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  B^{-1} = \\cfrac{1}{3} \\cdot \\begin{pmatrix} -3 &amp; -3 \\\\[1.1ex] -1 &amp; -2 \\end{pmatrix}^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"57\" width=\"174\" 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-b8817da5e89bc39e89bd17390cfd61c9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  B^{-1} = \\cfrac{1}{3} \\cdot \\begin{pmatrix} -3 &amp; -1 \\\\[1.1ex] -3 &amp; -2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"165\" 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-a5fc342354f6410cb87fa6b0ddf833a4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  B^{-1} = \\begin{pmatrix} -1 &amp; -\\frac{1}{3} \\\\[1.3ex] -1 &amp; -\\frac{2}{3} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"144\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6b21\u306b\u3001\u65b9\u7a0b\u5f0f\u5185\u306e\u3059\u3079\u3066\u306e\u884c\u5217\u3092\u4ee3\u5165\u3057\u3066\u884c\u5217\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-f31b6ad36b8ba2d917f13bb377de636f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X :\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"25\" 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-d2bda3fe0c2275283c3ce9dcd7cdfce4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\left(C-A\\right)\\cdot B^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"147\" 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-79abf2abf8a29e6357f65a1b62c9a80f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  X=\\left(\\begin{pmatrix} 6 &amp; 4 \\\\[1.3ex] 3 &amp; -2 \\end{pmatrix}-\\begin{pmatrix} 3 &amp; 6 \\\\[1.3ex] 2 &amp; -1 \\end{pmatrix}\\right)\\cdot \\begin{pmatrix} -1 &amp; -\\frac{1}{3} \\\\[1.3ex] -1 &amp; -\\frac{2}{3} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"341\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u884c\u5217\u3092\u6e1b\u7b97\u3057\u3066\u62ec\u5f27\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-f5141a4cb61be8db15676e185b10767f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} 3 &amp; -2 \\\\[1.3ex] 1 &amp; -1 \\end{pmatrix}\\cdot \\begin{pmatrix} -1 &amp; -\\frac{1}{3} \\\\[1.3ex] -1 &amp; -\\frac{2}{3} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"216\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u884c\u5217\u3092\u4e57\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-1d5482b1eb8fd6af1d6c61547b05c0bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} -3+2 &amp; -1+\\frac{4}{3} \\\\[1.3ex] -1+1 &amp; -\\frac{1}{3}+\\frac{2}{3} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"190\" 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-779a021183e139f0e138fbc288d4adea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{X=} \\begin{pmatrix}\\bm{ -1} &amp; \\frac{\\bm{1}}{\\bm{3}} \\\\[1.3ex] \\bm{0} &amp; \\frac{\\bm{1}}{\\bm{3}} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"111\" 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-118\"><\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 3<\/h3>\n<p>\u306a\u308c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-36386dbc4f20fb573357a406ce713887_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3001<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a08b2dd56803fba7d8e5a0dcb0430601_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cbff3f75ba97791e8db3213060854130_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6b21\u306e 2 \u6b21\u884c\u5217:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6292882d305055e4e8fb287a4bc93b71_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A =\\begin{pmatrix} -1 &amp; 1 \\\\[1.1ex] 1 &amp; 0 \\end{pmatrix} \\qquad B = \\begin{pmatrix} 4 &amp; -2 \\\\[1.1ex] 1 &amp; 0 \\end{pmatrix}\\qquad C = \\begin{pmatrix} 6 &amp; 4 \\\\[1.1ex] 22 &amp; 14 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"416\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u898b\u3064\u3051\u308b<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3053\u308c\u306f\u6b21\u306e\u884c\u5217\u65b9\u7a0b\u5f0f\u3092\u6e80\u305f\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-3241bccca1a61191660195f8076bb990_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle AXB=C\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" 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>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u307e\u305a\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u30af\u30ea\u30a2\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u884c\u5217\u65b9\u7a0b\u5f0f\u306e\u6b21\u306e\u3068\u304a\u308a\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-3241bccca1a61191660195f8076bb990_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle AXB=C\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"81\" 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-1e90337c58e38fc6ec3c2b2c884d7fed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1}\\cdot AXB\\cdot B^{-1}=A^{-1}\\cdot C\\cdot B^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"260\" 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-b4b610cde38418d268b1f5c5d01463d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displastyle IXI=A^{-1}\\cdot C\\cdot B^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"161\" 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-e9076f1a9803ae41329636d95a8c8182_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displastyle X=A^{-1}\\cdot C\\cdot B^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"142\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u7a7a\u306b\u3057\u305f\u3089<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3001\u884c\u5217\u3092\u64cd\u4f5c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b A \u306e\u9006\u884c\u5217\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 <\/p>\n<p class=\"has-text-align-center\">\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b09ce42998b548267e70e47b135b6508_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A =\\begin{pmatrix} -1 &amp; 1 \\\\[1.1ex] 1 &amp; 0 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"109\" 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-1fe85ec6c4385daba7d2488b0d60ee2d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1} = \\cfrac{1}{\\vert A \\vert } \\cdot \\Bigl( \\text{Adj}(A)\\Bigr)^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"175\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2a29b310de613bc1ec42a6e1452db147_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\cfrac{1}{-1} \\cdot \\begin{pmatrix} 0 &amp; -1 \\\\[1.1ex] -1 &amp; -1 \\end{pmatrix}^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"57\" width=\"187\" 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-c0e0b895fed20ba908417f6ee3482ce0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\cfrac{1}{-1} \\cdot \\begin{pmatrix} 0 &amp; -1 \\\\[1.1ex] -1 &amp; -1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"178\" 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-c19685457cd40098cadf6eeff41405d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\begin{pmatrix} 0 &amp; 1 \\\\[1.1ex] 1 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"113\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u3001\u884c\u5217 B \u3082\u53cd\u8ee2\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-d3f5048394796b2378c8197c9c9c1cb7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  B =\\begin{pmatrix} 4 &amp; -2 \\\\[1.1ex] 1 &amp; 0 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"110\" 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-da88dade6c0344edc4f87207bc9b915c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B^{-1} = \\cfrac{1}{\\vert B \\vert } \\cdot \\Bigl( \\text{Adj}(B)\\Bigr)^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"178\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-261eb432e305f5df596fc1dff9f183d7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  B^{-1} = \\cfrac{1}{2} \\cdot \\begin{pmatrix} 0 &amp; -1 \\\\[1.1ex] 2 &amp; 4 \\end{pmatrix}^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"57\" width=\"161\" 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-96d40ae8aa7c350c8a63d57d06b6fa6d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  B^{-1} = \\cfrac{1}{2} \\cdot \\begin{pmatrix} 0 &amp; 2 \\\\[1.1ex] -1 &amp; 4 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"152\" 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-80ee47f61b0671b42f9df06e7f384847_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  B^{-1} = \\begin{pmatrix} 0 &amp; 1 \\\\[1.3ex] -\\frac{1}{2} &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"130\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u3053\u3067\u3001\u3059\u3079\u3066\u306e\u884c\u5217\u3092\u5f0f\u306b\u4ee3\u5165\u3057\u3066\u884c\u5217\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-f31b6ad36b8ba2d917f13bb377de636f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X :\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"25\" 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-f765275df3d12633f97c500c3d7ca336_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=A^{-1}\\cdot C\\cdot B^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"142\" 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-de94e47503b17f761f7fcb764f4def59_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} 0 &amp; 1 \\\\[1.3ex] 1 &amp; 1 \\end{pmatrix}\\cdot\\begin{pmatrix} 6 &amp; 4 \\\\[1.3ex] 22 &amp; 14 \\end{pmatrix}\\cdot \\begin{pmatrix} 0 &amp; 1 \\\\[1.3ex] -\\frac{1}{2} &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"281\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u307e\u305a\u5de6\u8fba\u306e\u639b\u3051\u7b97\u3092\u89e3\u304d\u307e\u3059<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ca95f4870d5be13a3f7e241e5a40934b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} 0+22 &amp; 0+14 \\\\[1.3ex] 6+22 &amp; 4+14 \\end{pmatrix}\\cdot \\begin{pmatrix} 0 &amp; 1 \\\\[1.3ex] -\\frac{1}{2} &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"267\" 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-3df7709b9d5c5f5194744d4c88d2cb66_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} 22 &amp; 14 \\\\[1.3ex] 28 &amp; 18 \\end{pmatrix}\\cdot \\begin{pmatrix} 0 &amp; 1 \\\\[1.3ex] -\\frac{1}{2} &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"206\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u6b8b\u308a\u306e\u4e57\u7b97\u3092\u5b9f\u884c\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-62d83b02b8768a7e95ee71b7782d7759_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} 0-7 &amp; 22+28 \\\\[1.3ex] 0-9 &amp; 28+36 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"176\" 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-4b3a393915b3c49bdf9dd9ee6ada5020_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{X=} \\begin{pmatrix}\\bm{-7} &amp; \\bm{50} \\\\[1.3ex] \\bm{-9} &amp; \\bm{64} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"118\" 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>\u306a\u308c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-36386dbc4f20fb573357a406ce713887_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a08b2dd56803fba7d8e5a0dcb0430601_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6b21\u306e\u6b21\u5143 3\u00d73 \u306e\u884c\u5217:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-da8b3d05ecc85eea72fd7d14c282f58c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A =\\begin{pmatrix}1 &amp; 0 &amp; 1\\\\[1.1ex] 0 &amp; -1 &amp; 0 \\\\[1.1ex] 1 &amp; 2 &amp; 2 \\end{pmatrix} \\qquad B = \\begin{pmatrix} 1 &amp; -1 &amp; 0 \\\\[1.1ex] 2 &amp; 3 &amp; -2 \\\\[1.1ex] -3 &amp; 1 &amp; -1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"344\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u8a08\u7b97\u3059\u308b<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3053\u308c\u306f\u6b21\u306e\u884c\u5217\u65b9\u7a0b\u5f0f\u3092\u6e80\u305f\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-380b29380ba0a0dab3c183ea8b29e098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B^{t}- AX=B\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"109\" 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\">\u307e\u305a\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u30af\u30ea\u30a2\u3057\u307e\u3059<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u884c\u5217\u65b9\u7a0b\u5f0f\u306e\u6b21\u306e\u3068\u304a\u308a\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-3a038bf0cecb3080614f71975c72a41c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B^t- AX=B\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"109\" 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-ea7312ca34bee43be5f7727bdcf3ad3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B^t- B=AX\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"109\" 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-9531df9bff4bb2e5a0015f0aa4c91d6f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1}\\cdot \\left(B^t- B \\right)=A^{-1}\\cdot AX\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"214\" 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-ea87eb7eca24cc40f458bb082b5bd0ac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1}\\cdot \\left(B^t- B \\right)=IX\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"166\" 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-32d5781c515b740e3b7c20b62215d5bf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1}\\cdot \\left(B^t- B \\right)=X\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"156\" 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-f6081c855462d0193b955600b1d5db48_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=A^{-1}\\cdot \\left(B^t- B \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"154\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u5206\u96e2\u3057\u305f\u3089<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4ee28752517d6062a3ca0314890342d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3001\u884c\u5217\u3092\u64cd\u4f5c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b A \u306e\u9006\u884c\u5217\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-1a92fa898838b531bf1b51356dbbb2de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A =\\begin{pmatrix} 1 &amp; 0 &amp; 1\\\\[1.1ex] 0 &amp; -1 &amp; 0 \\\\[1.1ex] 1 &amp; 2 &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"136\" 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-1fe85ec6c4385daba7d2488b0d60ee2d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1} = \\cfrac{1}{\\vert A \\vert } \\cdot \\Bigl( \\text{Adj}(A)\\Bigr)^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"175\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9cc1a5bb552d5eadacef8677265cba0a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\cfrac{1}{-1} \\cdot \\begin{pmatrix} \\begin{vmatrix} -1 &amp; 0 \\\\ 2 &amp; 2 \\end{vmatrix} &amp; -\\begin{vmatrix} 0 &amp; 0 \\\\  1 &amp; 2 \\end{vmatrix} &amp; \\begin{vmatrix}  0 &amp; -1  \\\\ 1 &amp; 2 \\end{vmatrix}\\\\[4ex] -\\begin{vmatrix}  0 &amp; 1 \\\\ 2 &amp; 2 \\end{vmatrix} &amp; \\begin{vmatrix} 1  &amp; 1\\\\ 1 &amp; 2 \\end{vmatrix} &amp; -\\begin{vmatrix} 1 &amp; 0 \\\\ 1 &amp; 2  \\end{vmatrix} \\\\[4ex] \\begin{vmatrix} 0 &amp; 1\\\\  -1 &amp; 0 \\end{vmatrix} &amp; -\\begin{vmatrix} 1  &amp; 1\\\\ 0 &amp; 0  \\end{vmatrix} &amp; \\begin{vmatrix} 1 &amp; 0 \\\\ 0 &amp; -1 \\end{vmatrix} \\end{pmatrix}^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"175\" width=\"349\" 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-e668ed3a6e233bed8245f99e80638633_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\cfrac{1}{-1} \\cdot \\begin{pmatrix} -2 &amp; 0 &amp; 1 \\\\[1.1ex] 2 &amp; 1 &amp; -2 \\\\[1.1ex] 1  &amp; 0 &amp; -1 \\end{pmatrix}^{\\bm{t}}\" title=\"Rendered by QuickLaTeX.com\" height=\"89\" 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-eeb999734b9ba4b6e9a01e788bee6649_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = -1 \\cdot \\begin{pmatrix} -2 &amp; 2 &amp; 1 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 1  &amp; -2 &amp; -1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"218\" 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-f8f2379d6d616b29b78005aaafe39f29_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A^{-1} = \\begin{pmatrix} 2 &amp; -2 &amp; -1 \\\\[1.1ex] 0 &amp; -1 &amp; 0 \\\\[1.1ex] -1  &amp; 2 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"182\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u3053\u3067\u3001\u3059\u3079\u3066\u306e\u884c\u5217\u3092\u5f0f\u306b\u4ee3\u5165\u3057\u3066 X \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-f6081c855462d0193b955600b1d5db48_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=A^{-1}\\cdot \\left(B^t- B \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"154\" 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-c91b944756316c7cde33eb90743d54d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} 2 &amp; -2 &amp; -1 \\\\[1.1ex] 0 &amp; -1 &amp; 0 \\\\[1.1ex] -1  &amp; 2 &amp; 1 \\end{pmatrix}\\cdot \\left(\\begin{pmatrix} 1 &amp; -1 &amp; 0 \\\\[1.1ex] 2 &amp; 3 &amp; -2 \\\\[1.1ex] -3 &amp; 1 &amp; -1 \\end{pmatrix}^t- \\begin{pmatrix} 1 &amp; -1 &amp; 0 \\\\[1.1ex] 2 &amp; 3 &amp; -2 \\\\[1.1ex] -3 &amp; 1 &amp; -1 \\end{pmatrix} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"89\" width=\"501\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u884c\u5217 B \u3092\u8ee2\u7f6e\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-3a81f0c3d7367d756d53221e9c56d1e3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} 2 &amp; -2 &amp; -1 \\\\[1.1ex] 0 &amp; -1 &amp; 0 \\\\[1.1ex] -1  &amp; 2 &amp; 1 \\end{pmatrix}\\cdot \\left(\\begin{pmatrix} 1 &amp; 2 &amp; -3 \\\\[1.1ex] -1 &amp; 3 &amp; 1 \\\\[1.1ex] 0 &amp; -2 &amp; -1 \\end{pmatrix}- \\begin{pmatrix} 1 &amp; -1 &amp; 0 \\\\[1.1ex] 2 &amp; 3 &amp; -2 \\\\[1.1ex] -3 &amp; 1 &amp; -1 \\end{pmatrix} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"495\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u884c\u5217\u3092\u6e1b\u7b97\u3059\u308b\u3053\u3068\u3067\u62ec\u5f27\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-5f822e84288230368a5c0918c79398bf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle X=\\begin{pmatrix} 2 &amp; -2 &amp; -1 \\\\[1.1ex] 0 &amp; -1 &amp; 0 \\\\[1.1ex] -1  &amp; 2 &amp; 1 \\end{pmatrix}\\cdot \\begin{pmatrix} 0 &amp; 3 &amp; -3 \\\\[1.1ex] -3 &amp; 0 &amp; 3 \\\\[1.1ex] 3 &amp; -3 &amp; 0 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"311\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u884c\u5217\u306e\u4e57\u7b97\u3092\u5b9f\u884c\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-552e3809229102041ddf02a78badfea0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{X=}\\begin{pmatrix} \\bm{3} &amp; \\bm{9} &amp; \\bm{-12} \\\\[1.1ex] \\bm{3} &amp; \\bm{0} &amp; \\bm{-3} \\\\[1.1ex] \\bm{-3}  &amp; \\bm{-6} &amp; \\bm{9} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"173\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u884c\u5217\u65b9\u7a0b\u5f0f\u3068\u306f\u4f55\u304b\u3001\u305d\u3057\u3066\u305d\u306e\u89e3\u304d\u65b9\u3092\u5b66\u3073\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u884c\u5217\u3092\u4f7f\u7528\u3057\u305f\u65b9\u7a0b\u5f0f\u306e\u4f8b\u3068\u6f14\u7fd2\u554f\u984c\u3082\u898b\u3064\u304b\u308a\u307e\u3059\u3002 \u884c\u5217\u65b9\u7a0b\u5f0f\u3068\u306f\u4f55\u3067\u3059\u304b? \u884c\u5217\u65b9\u7a0b\u5f0f\u306f\u6b63\u898f\u65b9\u7a0b\u5f0f\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u6570\u5024\u3067\u306f\u306a\u304f\u884c\u5217\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e8%a7%a3%e3%81%8d%e6%96%b9%e3%81%ae%e4%be%8b%e3%81%a8-2x2-%e3%81%8a%e3%82%88%e3%81%b3-3x3-%e8%a1%8c%e5%88%97%e3%81%ae%e6%bc%94%e7%bf%92%e5%95%8f\/\"> <span class=\"screen-reader-text\">\u884c\u5217\u65b9\u7a0b\u5f0f<\/span> \u3082\u3063\u3068\u8aad\u3080 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