{"id":354,"date":"2023-07-06T00:04:08","date_gmt":"2023-07-06T00:04:08","guid":{"rendered":"https:\/\/mathority.org\/ja\/1x1-%e8%a1%8c%e5%88%97%e8%a1%8c%e5%88%97%e5%bc%8f%e3%81%ae%e4%be%8b%e3%81%ae%e8%a1%8c%e5%88%97%e5%bc%8f%e3%82%92%e8%a8%88%e7%ae%97%e3%81%99%e3%82%8b\/"},"modified":"2023-07-06T00:04:08","modified_gmt":"2023-07-06T00:04:08","slug":"1x1-%e8%a1%8c%e5%88%97%e8%a1%8c%e5%88%97%e5%bc%8f%e3%81%ae%e4%be%8b%e3%81%ae%e8%a1%8c%e5%88%97%e5%bc%8f%e3%82%92%e8%a8%88%e7%ae%97%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/1x1-%e8%a1%8c%e5%88%97%e8%a1%8c%e5%88%97%e5%bc%8f%e3%81%ae%e4%be%8b%e3%81%ae%e8%a1%8c%e5%88%97%e5%bc%8f%e3%82%92%e8%a8%88%e7%ae%97%e3%81%99%e3%82%8b\/","title":{"rendered":"1\u00d71\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u30011\u00d71 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u7591\u3046\u4f59\u5730\u304c\u306a\u3044\u3088\u3046\u306b\u3044\u304f\u3064\u304b\u306e\u4f8b\u3082\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30bf\u30a4\u30d7\u306e\u884c\u5217\u5f0f\u306f\u975e\u5e38\u306b\u307e\u308c\u3067\u3059\u304c\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306b\u30011&#215;1 \u6b21\u5143\u306e\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u89e3\u304f\u306e\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002<\/p>\n<h2 class=\"estil_titol_H2 wp-block-heading\"> 1\u00d71\u884c\u5217\u306e\u884c\u5217\u5f0f\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p><strong>\u6b21\u6570 1 \u306e\u884c\u5217\u5f0f<\/strong>\u306f 1 \u00d7 1 \u6b21\u5143\u306e\u884c\u5217\u3001\u3064\u307e\u308a\u884c\u3068\u5217\u3067\u3042\u308a\u3001<strong>\u884c\u5217\u306e\u5404\u8fba\u306e\u5782\u76f4\u30d0\u30fc\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/strong>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e 1 \u884c 1 \u5217\u306e\u884c\u5217\u304c\u3042\u308b\u3068\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-ebd47763897dc7f9d1a3d8c1ac4533f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A = \\begin{pmatrix} 3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"60\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p><strong>\u884c\u5217 A \u306e\u884c\u5217\u5f0f\u306f<\/strong>\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\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-b86be440f2daba9b7f1288eb1f8632a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert A \\rvert = \\begin{vmatrix} 3\\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"64\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p>\u3054\u89a7\u306e\u3068\u304a\u308a\u30011\u00d71 \u6b63\u65b9\u884c\u5217\u306e\u884c\u5217\u5f0f\u306e\u66f8\u304d\u65b9\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u884c\u5217\u306f 1 \u884c 1 \u5217\u306e\u307f\u3067\u69cb\u6210\u3055\u308c\u3001\u3057\u305f\u304c\u3063\u3066\u884c\u5217\u5f0f\u306f 1 \u3064\u306e\u6570\u5024\u3067\u69cb\u6210\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\"> 1\u00d71\u884c\u5217\u306e\u884c\u5217\u5f0f\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u884c\u5217\u304c 1 \u6b21\u5143\u306e\u5834\u5408\u3001\u884c\u5217\u5f0f\u306e\u8981\u7d20\u306f 1 \u3064\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u884c\u5217\u5f0f\u306e\u7d50\u679c\u306f\u8981\u7d20\u81ea\u4f53\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\"> 1\u00d71 \u884c\u5217\u5f0f\u306e\u4f8b:<\/h2>\n<h3 class=\"wp-block-heading\">\u4f8b1<\/h3>\n<p>\u6b21\u306e 1\u00d71 \u884c\u5217\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-6492fe2e841177b01050c693fcac639e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A=\\begin{pmatrix} 5 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"60\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p>\u3053\u308c\u306f\u30b5\u30a4\u30ba 1\u00d71 \u306e\u884c\u5217\u3067\u3042\u308b\u305f\u3081\u3001\u884c\u5217\u306b\u542b\u307e\u308c\u308b\u6570\u5024\u306f A \u306e\u884c\u5217\u5f0f\u306e\u307f\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-e315a1887247e8461d80378df7335b14_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle |A|=\\begin{vmatrix} 5 \\end{vmatrix} =  \\bm{5}\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"97\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\">\u4f8b 2<\/h3>\n<p>\u6b21\u306e 1\u00d71 \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-266acbc3cafb8fadeedf8bc29d5ad46b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B=\\begin{pmatrix} -2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"75\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p>\u3053\u308c\u306f\u6b21\u6570 1 \u306e\u6b63\u65b9\u884c\u5217\u3067\u3042\u308a\u3001\u884c\u5217\u5f0f B \u306f\u6b21\u306e\u3088\u3046\u306b\u306a\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-39bc4d7dd853501c97ab3215d6fd9b11_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle |B|=\\begin{vmatrix} -2 \\end{vmatrix} =  \\bm{-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"126\" style=\"vertical-align: -7px;\"><\/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 style=\"text-align:left\"><strong>\u6ce8\u610f:<\/strong> 1\u00d71 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3068\u6570\u5024\u306e\u7d76\u5bfe\u5024\u3092\u6df7\u540c\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<p style=\"text-align:left\"> 1\u00d71\u884c\u5217\u306e\u884c\u5217\u5f0f\u306e\u7d50\u679c\u306f\u3001\u7b26\u53f7\u306b\u95a2\u4fc2\u306a\u304f\u5e38\u306b\u884c\u5217\u306e\u5024\u3068\u7b49\u3057\u304f\u306a\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-8f0e0e156fef84ba9f0c67b93f2db069_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\longrightarrow \\begin{vmatrix} -4 \\end{vmatrix} = -4\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"114\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\">\u4e00\u65b9\u3001\u7d76\u5bfe\u5024\u306f\u5e38\u306b\u6f14\u7b97\u5b50\u306e\u4e2d\u306e\u6570\u5024\u3092\u6b63\u306e\u5024\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-195c9e5ae48e3e2f5ec283dbedcc4261_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\longrightarrow \\begin{vmatrix} -4 \\end{vmatrix} = +4\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"114\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<\/div>\n<p> \u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u30011\u00d71 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u7591\u3046\u4f59\u5730\u304c\u306a\u3044\u3088\u3046\u306b\u3044\u304f\u3064\u304b\u306e\u4f8b\u3082\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30bf\u30a4\u30d7\u306e\u884c\u5217\u5f0f\u306f\u975e\u5e38\u306b\u307e\u308c\u3067\u3059\u304c\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306b\u30011&#215;1 \u6b21\u5143\u306e\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u89e3\u304f\u306e &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/1x1-%e8%a1%8c%e5%88%97%e8%a1%8c%e5%88%97%e5%bc%8f%e3%81%ae%e4%be%8b%e3%81%ae%e8%a1%8c%e5%88%97%e5%bc%8f%e3%82%92%e8%a8%88%e7%ae%97%e3%81%99%e3%82%8b\/\"> <span class=\"screen-reader-text\">1\u00d71\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b<\/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-354","post","type-post","status-publish","format-standard","hentry","category-7"],"yoast_head":"<!-- This site is optimized 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