{"id":290,"date":"2023-07-06T20:03:12","date_gmt":"2023-07-06T20:03:12","guid":{"rendered":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/"},"modified":"2023-07-06T20:03:12","modified_gmt":"2023-07-06T20:03:12","slug":"%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/","title":{"rendered":"\uacb0\uc815\uc790\uc758 \uc18d\uc131"},"content":{"rendered":"<p>\uc774 \uc139\uc158\uc5d0\uc11c\ub294 <strong>\ud589\ub82c\uc2dd\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc774<\/strong> \ubb34\uc5c7\uc778\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc608\ub97c \ub4e4\uc5b4 \uac01 \uc18d\uc131\uc744 \uc644\ubcbd\ud558\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub610\ud55c, \ud55c\uc815\uc0ac\uc758 \uc18d\uc131\uacfc \uad00\ub828\ub41c \uc5f0\uc2b5\ubb38\uc81c\ub3c4 \ucc3e\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uc544\ub798\uc5d0\uc11c\ub294 \ud589\ub82c\uc2dd\uc758 \uac01 \uc18d\uc131\uc744 \ud558\ub098\uc529 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc6d0\ud558\ub294 \uacbd\uc6b0 \uc544\ub798 <strong>\uc694\uc57d \ud45c\ub85c<\/strong> \ubc14\ub85c \uac74\ub108\ub6f8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud83d\ude09<\/p>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 1: \uc804\uce58 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-109\"><\/div>\n<\/div>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 \uc804\uce58\ub41c \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2f3228b0db84cb6cff32c1157107dfd7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert A \\rvert = \\lvert A^t \\rvert\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"72\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7e39b73d52e436c660c2c9f2eeed39f6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert A \\rvert =  \\begin{vmatrix} 2 &amp; 3 \\\\[1.1ex] 1 &amp; 5  \\end{vmatrix} =  2 \\cdot 5 - 1 \\cdot 3 = 10 - 3 = \\bm{7}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"301\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c 2&#215;2 \ud589\ub82c\uc744 \uc804\uce58\ud558\uace0 \ud589\ub82c\uc2dd\uc744 \uad6c\ud569\ub2c8\ub2e4. \uc774\uc804\uacfc \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc5bb\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fc16abe425fb139cb3a6b7ba7e3b1915_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert A^t \\rvert =  \\begin{vmatrix} 2 &amp; 1 \\\\[1.1ex] 3 &amp; 5  \\end{vmatrix} =  2 \\cdot 5 - 3 \\cdot 1 = 10 - 3 = \\bm{7}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"307\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 2: \ud589\uc774\ub098 \uc5f4\uc774 0\uc73c\ub85c \ucc44\uc6cc\uc9c4 \ud589\ub82c\uc2dd <\/h2>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \ud589\ub82c\uc2dd\uc5d0 0\uc73c\ub85c \ucc44\uc6cc\uc9c4 \ud589\uc774\ub098 \uc5f4\uc774 \uc788\ub294 \uacbd\uc6b0 \ud589\ub82c\uc2dd\uc740 0\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-54df933d2167697d926c25dd9554d90a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} a_{11} &amp; 0 &amp; a_{13} \\\\[1.1ex] a_{21} &amp; 0 &amp; a_{23} \\\\[1.1ex] a_{31} &amp; 0 &amp; a_{33}\\end{vmatrix}=0\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"132\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-95bc2d762871764f41176acc052a633c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 5 &amp; 6 &amp; 2 \\\\[1.1ex] 0 &amp; 0 &amp; 0 \\\\[1.1ex] -3 &amp; 1 &amp; 4 \\end{vmatrix}   =  \\bm{0} \\qquad \\qquad \\begin{vmatrix} 1 &amp; -5 &amp; 0 \\\\[1.1ex] 6 &amp; 2 &amp; 0 \\\\[1.1ex] 1 &amp; 3 &amp; 0 \\end{vmatrix} = \\bm{0}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"313\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774 \ub450 \uc608\uc81c \ubaa8\ub450\uc5d0\uc11c \ud589\ub82c\uc2dd\uc740 0\uc73c\ub85c \ud3c9\uac00\ub429\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uccab \ubc88\uc9f8 \ud589\ub82c\uc2dd\uc758 \ub450 \ubc88\uc9f8 \ud589\uc740 \ubaa8\ub450 0\uc774\uace0 \ub450 \ubc88\uc9f8 \ud589\ub82c\uc2dd\uc758 \uc138 \ubc88\uc9f8 \uc5f4\ub3c4 \ubaa8\ub450 0\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 3: \ub450 \uac1c\uc758 \ub3d9\uc77c\ud55c \ud589 \ub610\ub294 \uc5f4\uc744 \uac16\ub294 \ud589\ub82c\uc2dd <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-110\"><\/div>\n<\/div>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \ud589\ub82c\uc2dd\uc5d0 \ub450 \uac1c\uc758 \ub3d9\uc77c\ud558\uac70\ub098 \uc5ec\ub7ec \ud589 \ub610\ub294 \ub450 \uac1c\uc758 \uc5f4\uc774 \uc788\ub294 \uacbd\uc6b0 \ud589\ub82c\uc2dd\uc740 0\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \ud589\uc774\ub098 \uc5f4 \uc0ac\uc774\uc5d0 \uc120\ud615 \uacb0\ud569\uc774 \uc788\ub294 \uacbd\uc6b0, \uc989 \uc120\ud615 \uc885\uc18d\uc778 \uacbd\uc6b0 \ud589\ub82c\uc2dd\uc740 0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c31b59570d4f89e8c7e7aa9f922977c5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 3 &amp; 4 &amp; 4 \\\\[1.1ex] -1 &amp; 5 &amp; 5 \\\\[1.1ex] 6 &amp; 2 &amp; 2 \\end{vmatrix} =  0\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"117\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774 \uacbd\uc6b0 \uc5f4 2\uc640 3\uc774 \ub3d9\uc77c\ud558\ubbc0\ub85c \ud589\ub82c\uc2dd\uc740 0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 4: \ud589\ub82c\uc2dd\uc758 \ud589 \ub610\ub294 \uc5f4 \uc218\uc815 <\/h2>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \ub450 \uac1c\uc758 \ud589\uc774\ub098 \ub450 \uac1c\uc758 \uc5f4\uc774 \uc11c\ub85c \uc0c1\ub300\uc801\uc73c\ub85c \uc218\uc815\ub418\uba74 \ud589\ub82c\uc2dd\uc740 \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc \ubd80\ud638\ub294 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-de79fc53e94c9a30d8a271d42d4e3494_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} a &amp; b &amp; c \\\\[1.1ex] d &amp; e &amp; f \\\\[1.1ex] g &amp; h &amp; i \\end{vmatrix}= - \\begin{vmatrix} a &amp; c &amp; b \\\\[1.1ex] d &amp; f &amp; e \\\\[1.1ex] g &amp; i &amp; h \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"185\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c2e4806318fa67998b339383a9dc9ea5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 3 &amp; 2 &amp; -4 \\\\[1.1ex] 1 &amp; 5 &amp; 6 \\\\[1.1ex] 1 &amp; 0 &amp; -3 \\end{vmatrix} = \\displaystyle -45 +12+0+20-0+6=  \\bm{-7}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"357\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c \uc5f4 2\uc640 3\uc758 \uc21c\uc11c\ub97c \uc11c\ub85c \uc0c1\ub300\uc801\uc73c\ub85c \ubcc0\uacbd\ud569\ub2c8\ub2e4. \uacb0\uacfc\ub294 \ub3d9\uc77c\ud558\uc9c0\ub9cc \ubd80\ud638\uac00 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4a4de8b8cf37df2c3cce69d16a19a578_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 3 &amp; -4 &amp; 2 \\\\[1.1ex] 1 &amp; 6 &amp; 5 \\\\[1.1ex] 1 &amp; -3 &amp; 0 \\end{vmatrix}   = \\displaystyle 0-20-6-12+45-0=  \\bm{+7}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"343\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 5: \ud589\ub82c\uc2dd\uc758 \ud589\uc5d0 \uc2a4\uce7c\ub77c\ub97c \uacf1\ud569\ub2c8\ub2e4. <\/h2>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \uc804\uccb4 \ud589\uc774\ub098 \uc5f4\uc758 \ubaa8\ub4e0 \uc694\uc18c\uc5d0 \uc2e4\uc218\ub97c \uacf1\ud558\ub294 \uac83\uc740 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\uc5d0 \ud574\ub2f9 \uc22b\uc790\ub97c \uacf1\ud558\ub294 \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-06cf5f62a3d703b43bb68b319839df26_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} k \\cdot a_{11} &amp;  k \\cdot a_{12} &amp; k \\cdot a_{13} \\\\[1.1ex] a_{21} &amp;  a_{22} &amp; a_{23} \\\\[1.1ex] a_{31} &amp;  a_{32} &amp; a_{33} \\end{vmatrix} =k \\cdot \\begin{vmatrix} a_{11} &amp; a_{12} &amp; a_{13} \\\\[1.1ex] a_{21} &amp;  a_{22} &amp; a_{23} \\\\[1.1ex] a_{31} &amp;  a_{32} &amp; a_{33} \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"342\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a7b38fe06dab0bbdbfef384b3e403fed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} k \\cdot a_{11} &amp; a_{12} &amp; a_{13} \\\\[1.1ex] k \\cdot a_{21} &amp;  a_{22} &amp; a_{23} \\\\[1.1ex] k \\cdot a_{31} &amp;  a_{32} &amp; a_{33} \\end{vmatrix} =k \\cdot \\begin{vmatrix} a_{11} &amp; a_{12} &amp; a_{13} \\\\[1.1ex] a_{21} &amp;  a_{22} &amp; a_{23} \\\\[1.1ex] a_{31} &amp;  a_{32} &amp; a_{33} \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"297\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-92b404bb7ad8bbdd59c8c54c1619c37d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle   \\begin{vmatrix} 2 &amp; 3 \\\\[1.1ex] 1 &amp; 4  \\end{vmatrix}   = 8-3= \\bm{5}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"138\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c \ub3d9\uc77c\ud55c \ud589\ub82c\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc804\uccb4 \ub77c\uc778\uc5d0 2\ub97c \uacf1\ud569\ub2c8\ub2e4. \uacb0\uacfc\ub294 \uc774\uc804 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\uc774\uc9c0\ub9cc 2 \ub610\ub294 10\uc744 \uacf1\ud55c \uacb0\uacfc\uc784\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-57ae1ba33c0d108f08ac9d0b5cb4a81b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} 2 \\cdot 2 &amp; 2 \\cdot 3 \\\\[1.1ex] 1 &amp; 4  \\end{vmatrix}   =  \\begin{vmatrix} 4 &amp; 6 \\\\[1.1ex] 1 &amp; 4  \\end{vmatrix} = 16-6 =\\bm{10}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"270\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 6: \ub9e4\ud2b8\ub9ad\uc2a4 \uacf1\uc758 \ud589\ub82c\uc2dd <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-111\"><\/div>\n<\/div>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \ub450 \ud589\ub82c\uc758 \uacf1\uc758 \ud589\ub82c\uc2dd\uc740 \uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc758 \uacf1\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-066ee1431d90a4c2cb6febe8a381cc69_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\lvert A \\cdot B \\rvert = \\lvert A \\rvert \\cdot \\lvert B \\rvert\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"130\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<p> \ud589\ub82c\uc2dd\uc758 \uc774\ub7ec\ud55c \uc18d\uc131\uc744 \uc785\uc99d\ud558\uae30 \uc704\ud574 \ub2e4\uc74c \ub450 \ud589\ub82c\uc758 \uacf1\uc148\uc758 \ud589\ub82c\uc2dd\uc744 \ub450 \uac00\uc9c0 \uac00\ub2a5\ud55c \ubc29\ubc95\uc73c\ub85c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-38de0ca99ad15f40bd94f653cffacf8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A= \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; 5 \\end{pmatrix}\\quad B=\\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 1 &amp; -1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"229\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uba3c\uc800 \ub450 \ud589\ub82c\uc744 \uacf1\ud55c \ub2e4\uc74c \uacb0\uacfc \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2ad18d1637b581038b7866030d6ac9a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\left| A \\cdot B \\right| =\\left| \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; 5  \\end{pmatrix} \\cdot \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 1 &amp; -1  \\end{pmatrix}\\right|  = \\left| \\begin{pmatrix} 7 &amp; -1 \\\\[1.1ex] 13 &amp; -1  \\end{pmatrix} \\right|  = -7 - (-13) = \\bm{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"500\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c \uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uac1c\ubcc4\uc801\uc73c\ub85c \uacc4\uc0b0\ud55c \ub2e4\uc74c \uacb0\uacfc\ub97c \uacf1\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5f7c97d5a832d3985bf1d5e9d4d44401_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert A \\rvert \\cdot \\lvert B \\rvert =  \\left| \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; 5  \\end{pmatrix} \\right| \\cdot \\left| \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 1 &amp; -1  \\end{pmatrix}\\right| = -1\\cdot (-6)= \\bm{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"55\" width=\"384\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ubcf4\uc2dc\ub2e4\uc2dc\ud53c, \ud589\ub82c \uacf1\uc744 \uba3c\uc800 \uc218\ud589\ud55c \ub2e4\uc74c \ud589\ub82c\uc2dd\uc744 \uc218\ud589\ud558\uba74 \uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uba3c\uc800 \uc218\ud589\ud55c \ub2e4\uc74c \uacb0\uacfc\ub97c \uacf1\ud558\ub294 \uac83\uacfc \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ubc18\uba74\uc5d0 \uc774 \uc870\uac74\uc740 \ub367\uc148\uacfc \ube84\uc148 \uc5f0\uc0b0\uc5d0\ub294 \uc801\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc989, \ub450 \ud589\ub82c\uc758 \ub367\uc148(\ub610\ub294 \ube84\uc148)\uc758 \ud589\ub82c\uc2dd\uc740 \ub2e4\uc74c \ud589\ub82c\uc2dd\uc758 \ub367\uc148(\ub610\ub294 \ube84\uc148)\uacfc \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc81c\uacf5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub450 \uac1c\uc758 \ud589\ub82c\uc744 \ubcc4\ub3c4\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-118\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 7: \uc5ed\ud589\ub82c\uc758 \ud589\ub82c\uc2dd <\/h2>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p align=\"LEFT\"> \ud589\ub82c\uc774 \uc5ed\ud589\ub82c\uc778 \uacbd\uc6b0 \uc5ed\ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 \uc6d0\ub798 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc758 \uc5ed\ud589\ub82c\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-460186cec7a5d86981bd5a14e3b1dcf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} A^{-1} \\end{vmatrix} = \\cfrac{1}{\\lvert A \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"91\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<\/div>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<p> \uba3c\uc800 \ud589\ub82c\uc758 \uc5ed\ud589\ub82c\uc744 \uacc4\uc0b0\ud55c \ub2e4\uc74c \ud589\ub82c\uc2dd\uc744 \ud480\uc5b4 \uc774 \uc18d\uc131\uc744 \uac80\uc99d\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uadf8 \uacb0\uacfc\uac00 \uc6d0\ub798 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \ucc3e\uc544 \uc774\ub97c \ubc18\uc804\uc2dc\ud0a4\ub294 \uac83\uacfc \ub3d9\uc77c\ud558\ub2e4\ub294 \uac83\uc744 \uc54c\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \uc6b0\ub9ac\ub294 \ub2e4\uc74c \ud589\ub82c\uc744 \ubc18\uc804\uc2dc\ud0a4\uace0 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2c77c10006d35ebc5273553fb84356e3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A= \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 7 &amp; 4 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"95\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8a9315a8add365cd5f077c52476a827d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^{-1}= \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] -\\frac{7}{2} &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"143\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a10c873ff6c101cd2b239388393c268b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix}A^{-1} \\end{vmatrix}= \\begin{vmatrix} 2 &amp; -1 \\\\[1.1ex] -\\frac{7}{2} &amp; 2 \\end{vmatrix} = 4-\\cfrac{7}{2} =\\cfrac{8}{2}-\\cfrac{7}{2} = \\cfrac{\\bm{1}}{\\bm{2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"307\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c \uc6d0\ub798 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \ud480\uace0 \uc5ed\ud589\ub82c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-850e5404f5352782327918caab3e1440_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix}A\\end{vmatrix}= \\begin{pmatrix} 4 &amp; 2 \\\\[1.1ex] 7 &amp; 4 \\end{pmatrix}=16-14=2\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"221\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-427c70eab8ecba40b6dcde2a6e03abd2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix}A^{-1}\\end{vmatrix}= \\cfrac{\\bm{1}}{\\bm{2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"76\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> \ubcf4\uc2dc\ub2e4\uc2dc\ud53c \ub450 \uc791\uc5c5\uc758 \uacb0\uacfc\ub294 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud574\ub2f9 \uc18d\uc131\uc774 \uc785\uc99d\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 8: \ud55c\uc815\uc790\uc758 \ud589 \ubc14\uafb8\uae30<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \ud589\ub82c\uc2dd\uc758 \ud589\uc740 \ub3d9\uc77c\ud55c \ud589\uc5d0 \ub2e4\ub978 \ud589\uc744 \ub354\ud558\uac70\ub098 \ube7c\uc11c \uc22b\uc790\ub97c \uacf1\ud558\uc5ec \ub300\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<p> \ub2e4\uc74c \uc608\ub97c \ud1b5\ud574 \uc774 \uc18d\uc131\uc744 \ud655\uc778\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uba3c\uc800 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud55c \ub2e4\uc74c \ud589\ub82c\uc2dd\uc758 \ud589\uc5d0 \ub300\ud574 \uc5f0\uc0b0\uc744 \uc218\ud589\ud558\uace0 \uadf8 \uacb0\uacfc\ub97c \ub2e4\uc2dc \uacc4\uc0b0\ud569\ub2c8\ub2e4. \ub450 \uacbd\uc6b0 \ubaa8\ub450\uc5d0\uc11c \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc5bb\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \uba3c\uc800 Sarrus\uc758 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec 3&#215;3 \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4ccd76fc3a2b7cd7afc7d8f9de8ffde1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 2 &amp; 1 &amp; -1 \\\\[1.1ex] 3 &amp; 0 &amp; 1 \\\\[1.1ex] 0 &amp; -3 &amp; 6 \\end{vmatrix} \\displaystyle=0+0+9-0+6-18 =  \\bm{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"338\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c <strong>\ub450 \ubc88\uc9f8 \uc904\uc5d0 2\ub97c \uacf1\ud55c \uccab \ubc88\uc9f8 \uc904\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4bc2e6bd78446fb68f29b4a5503a6828_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 2 &amp; 1 &amp; -1 \\\\[1.1ex] 3 &amp; 0 &amp; 1 \\\\[1.1ex] 0 &amp; -3 &amp; 6 \\end{vmatrix} \\begin{matrix} \\\\[1.1ex] \\xrightarrow{f_2 + 2f_1}  \\\\[1.1ex] \\  \\end{matrix} \\begin{vmatrix} 2 &amp; 1 &amp; -1 \\\\[1.1ex] 7 &amp; 2 &amp; -1 \\\\[1.1ex] 0 &amp; -3 &amp; 6 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"254\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uadf8\ub9ac\uace0 \uc6b0\ub9ac\ub294 \uadf8 \uc9c1\uc120 \uc911 \ud558\ub098\ub97c \ubcc0\ud658\ud55c \ud6c4 \ud589\ub82c\uc2dd\uc744 \ud47c\ub2e4:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-045eb6f32420fbbf538a9e0a540ce119_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 2 &amp; 1 &amp; -1 \\\\[1.1ex] 7 &amp; 2 &amp; -1 \\\\[1.1ex] 0 &amp; -3 &amp; 6 \\end{vmatrix} = 24+0+21-0-6-42=\\bm{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"355\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub450 \uacbd\uc6b0 \ubaa8\ub450 \uacb0\uacfc\ub294 -3\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud55c \ud589\uc744 \uac19\uc740 \ud589\uacfc \ub2e4\ub978 \ud589\uc758 \ud569\uc5d0 \uc22b\uc790\ub97c \uacf1\ud55c \uac12\uc73c\ub85c \ub300\uccb4\ud574\ub3c4 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub294 \ubcc0\ud558\uc9c0 \uc54a\uc74c\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-119\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 9: \uc0bc\uac01\ud589\ub82c\uc758 \ud589\ub82c\uc2dd<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \uc0bc\uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 \uc8fc\ub300\uac01\uc120 \uc694\uc18c\uc758 \uacf1\uc785\ub2c8\ub2e4.<\/p>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<p> \uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c \uc0bc\uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \ud480\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-40ebfa5f9f06e63ad1325d9331a57bde_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} 2 &amp; 3 &amp; 5 \\\\[1.1ex] 0 &amp; -1 &amp; 7 \\\\[1.1ex] 0 &amp; 0 &amp; 4 \\end{vmatrix} \\displaystyle= 2 \\cdot (-1) \\cdot 4 =  \\bm{-8}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"234\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \uc18d\uc131 10: \ub300\uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> \ub300\uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 \uc8fc \ub300\uac01\uc120 \uc694\uc18c\uc758 \uacf1\uc148\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 style=\"color:#00B0FF\"> \uc608:<\/h3>\n<p> \ub2e4\uc74c \ub300\uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc744 \uc608\ub85c \ub4e4\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-56e1b3093685a1af729310752b03dfc9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix}5 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 3 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; -2 \\end{vmatrix} \\displaystyle= 5 \\cdot 3 \\cdot (-2) =  \\bm{-30}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"243\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"> \ud589\ub82c\uc2dd\uc758 \uc18d\uc131 \uc694\uc57d\ud45c <\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-116\"><\/div>\n<\/div>\n<p> \uc124\uba85\ub41c \ud589\ub82c\uc2dd\uc758 \uc18d\uc131\uc740 \ub2e4\uc74c \ud45c\uc5d0 \uc694\uc57d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/proprietes-des-determinants.webp\" alt=\"\ud589\ub82c\uc2dd\uc758 \uc18d\uc131\" class=\"wp-image-3447\" width=\"774\" height=\"669\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"> \ud589\ub82c\uc2dd\uc758 \uc18d\uc131\uc744 \uc774\uc6a9\ud55c \uc5f0\uc2b5\ubb38\uc81c \ud574\uacb0<\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ub2e4\uc74c \ud589\ub82c\uc2dd\uc744 \ud47c\ub2e4: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-97dfc1ebfc5db73750870911108bd447_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 3 &amp; 1 &amp; 0 \\\\[1.1ex] 4 &amp; 2 &amp; 0 \\\\[1.1ex] -1 &amp; 6 &amp; 0 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"81\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ud589\ub82c\uc2dd\uc5d0 0\uc73c\ub85c \ucc44\uc6cc\uc9c4 \ud589\uc774\ub098 \uc5f4\uc774 \uc788\ub294 \uacbd\uc6b0 \ud589\ub82c\uc2dd\uc740 0(\uc18d\uc131 2)\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c <strong>\uc138 \ubc88\uc9f8 \uc5f4\uc774 0\uc73c\ub85c \ucc44\uc6cc\uc9c0\uae30 \ub54c\ubb38\uc5d0 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub294 0\uc785\ub2c8\ub2e4.<\/strong><\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 2<\/h3>\n<p> \ub2e4\uc74c \ud589\ub82c\uc2dd\uc744 \ud47c\ub2e4: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bdb315ba588fe5fdfb03c7fea2857b16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 4 &amp; 2 &amp; -3 &amp; 5 \\\\[1.1ex] 1 &amp; 5 &amp; 3 &amp; 2 \\\\[1.1ex]4 &amp; 2 &amp; -3 &amp; 5 \\\\[1.1ex] -2 &amp; 0 &amp; 4 &amp; 3 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"119\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ud589\ub82c\uc2dd\uc5d0 \ub450 \uac1c\uc758 \ub3d9\uc77c\ud558\uac70\ub098 \uc5ec\ub7ec \ud589 \ub610\ub294 \ub450 \uac1c\uc758 \uc5f4\uc774 \uc788\ub294 \uacbd\uc6b0 \ud589\ub82c\uc2dd\uc740 0(\uc18d\uc131 3)\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c <strong>\uccab \ubc88\uc9f8 \ud589\uacfc \uc138 \ubc88\uc9f8 \ud589\uc774 \ub3d9\uc77c\ud558\ubbc0\ub85c \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub294 0\uc785\ub2c8\ub2e4.<\/strong><\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 3<\/h3>\n<p> \ub2e4\uc74c \ud589\ub82c\uc2dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-96c5cfee4c4189e49b54fdf43b2a0457_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 1 &amp; 0 &amp; 2 &amp; 2 \\\\[1.1ex] 3 &amp; 1 &amp; 5 &amp; 6 \\\\[1.1ex] 1 &amp; 3 &amp; -2 &amp; 2 \\\\[1.1ex] 2 &amp; 2 &amp; 0 &amp; 4 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"106\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ud589\ub82c\uc2dd\uc5d0 \ub450 \uac1c\uc758 \ub3d9\uc77c\ud558\uac70\ub098 \uc5ec\ub7ec \ud589 \ub610\ub294 \ub450 \uac1c\uc758 \uc5f4\uc774 \uc788\ub294 \uacbd\uc6b0 \ud589\ub82c\uc2dd\uc740 0(\uc18d\uc131 3)\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c <strong>\ub124 \ubc88\uc9f8 \uc5f4\uc774 \uccab \ubc88\uc9f8 \uc5f4\uc758 \ub450 \ubc30\uc774\ubbc0\ub85c \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub294 0\uc785\ub2c8\ub2e4.<\/strong> <\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 4<\/h3>\n<p> \ud589\ub82c\uc758 \uc694\uc18c\ub294 \ubaa8\ub974\uc9c0\ub9cc \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub294 \uc54c\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e20d9016edd52f18d3ffc928d2658efe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} a &amp; b \\\\[1.1ex] c &amp; d  \\end{vmatrix} = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"77\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc804 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\uc640 \ud589\ub82c\uc2dd\uc758 \uc18d\uc131\uc73c\ub85c\ubd80\ud130 \ub2e4\uc74c \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9c20de8d82171dc8fb784e2549521f37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\mathbf{a} \\bm{)} \\ \\begin{vmatrix} a &amp; c  \\\\[1.1ex] b &amp; d  \\end{vmatrix} \\qquad \\mathbf{b} \\bm{)} \\ \\begin{vmatrix} b &amp; a  \\\\[1.1ex] d &amp; c  \\end{vmatrix} \\qquad \\mathbf{c} \\bm{)} \\ \\begin{vmatrix} a &amp; 3b  \\\\[1.1ex] c &amp; 3d  \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"301\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> <strong>\uc744 \uc704\ud55c)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6ee3d744a077ee8fdc07e806f13286be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} a &amp; c  \\\\ b &amp; d  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"55\" style=\"vertical-align: -17px;\"><\/p>\n<p> \uc740 \uc804\uce58\ub41c \ud589\ub82c\uc774\ub2e4<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1565c44a2743bb11e27ba41203073382_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} a &amp; b  \\\\ c &amp; d  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"55\" style=\"vertical-align: -17px;\"><\/p>\n<p> . \uadf8\ub9ac\uace0 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 \uc804\uce58\ub41c \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uacfc \uac19\uc2b5\ub2c8\ub2e4(\uc18d\uc131 1). \ub530\ub77c\uc11c <strong>\uc774 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub3c4 3\uc785\ub2c8\ub2e4.<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5bf7ae0a2ff32d75a6f7abafb623639c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{vmatrix} a &amp; c  \\\\[1.1ex] b &amp; d  \\end{vmatrix}=\\begin{vmatrix} a &amp; b \\\\[1.1ex] c &amp; d  \\end{vmatrix}=\\bm{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"147\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> <strong>b)<\/strong> \uacb0\uc815\uc5d0\uc11c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9255a916d06e3d7689e830d0456f5c74_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} b &amp; a  \\\\ d &amp; c  \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"43\" style=\"vertical-align: -17px;\"><\/p>\n<p> \uc5f4 1\uacfc 2\ub294 \uba85\ub839\ubb38\uc758 \uacb0\uc815\uc790\uc640 \uad00\ub828\ud558\uc5ec \uc218\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3e84a753ce5d5bfe9dd6831b42857b30_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} a &amp; b \\\\ c &amp; d  \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"43\" style=\"vertical-align: -17px;\"><\/p>\n<p> . \ub530\ub77c\uc11c \uc18d\uc131 4\uc5d0 \ub530\ub974\uba74 <strong>\uacb0\uacfc\ub294 \uba85\ub839\ubb38\uc758 \ud55c\uc815\uc0ac\uc758 \uacb0\uacfc\uc640 \ub3d9\uc77c\ud558\uc9c0\ub9cc \ubd80\ud638\uac00 \ub2e4\ub985\ub2c8\ub2e4(\uc608: -3).<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d6d14aa2f6b8c7d1fd064daef8dd0eec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} b &amp; a  \\\\[1.1ex] d &amp; c  \\end{vmatrix} = - \\begin{vmatrix} a &amp; b \\\\[1.1ex] c &amp; d  \\end{vmatrix}= \\bm{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"178\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> <strong>c)<\/strong> \uacb0\uc815\uc5d0\uc11c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f343927516e13005f5d744228bfdfec6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{vmatrix} a &amp; 3b  \\\\ c &amp; 3d  \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"52\" style=\"vertical-align: -17px;\"><\/p>\n<p> \uba85\ub839\ubb38 \ud589\ub82c\uc2dd\uc758 \uc804\uccb4 \ub450 \ubc88\uc9f8 \uc5f4\uc5d0 3\uc744 \uacf1\ud588\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc18d\uc131 5\uc5d0\uc11c <strong>\ud574\ub2f9 \uacb0\uacfc\uac00 \uba85\ub839\ubb38 \ud589\ub82c\uc2dd\uc5d0 3\uc744 \uacf1\ud55c \uacb0\uacfc, \uc989 9\uac00 \ub420 \uac83\uc784\uc744 \ucd94\ub860\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong> <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b1a7ffec429367a2fd967a197d0299d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} a &amp; 3b  \\\\[1.1ex] c &amp; 3d  \\end{vmatrix} =3 \\begin{vmatrix} a &amp; b \\\\[1.1ex] c &amp; d  \\end{vmatrix} =3 \\cdot 3 = \\bm{9}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"222\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 5<\/h3>\n<p> \uc6b0\ub9ac\ub294 \uc774 \ub450 \uac00\uc9c0 \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub97c \uc54c\uace0 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e938c40ce401263da9835fa77fc9a1dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\vert A \\vert = \\begin{vmatrix} 1 &amp; 2 &amp; 0 &amp; 1 \\\\[1.1ex] -2 &amp; -1 &amp; 1 &amp; 0 \\\\[1.1ex] 1 &amp; 3 &amp; 3 &amp; -1 \\\\[1.1ex] 3 &amp; 4 &amp; 1 &amp; 1 \\end{vmatrix}=8\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"215\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6cea0d73e66099f2a10f71f7267baee9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\vert B \\vert = \\begin{vmatrix} 0 &amp; 1 &amp; 3 &amp; 2 \\\\[1.1ex] -1 &amp; -2 &amp; 0 &amp; 0 \\\\[1.1ex] 3 &amp; 1 &amp; 1 &amp; 2 \\\\[1.1ex] -1 &amp; 2 &amp; 3 &amp; 1 \\end{vmatrix} = - 4\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"216\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774 \uc815\ubcf4\ub97c \ubc14\ud0d5\uc73c\ub85c \ub2e4\uc74c\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cce5c21696d6cc754d3b49cb7ea5457b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\vert A \\cdot B \\vert\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"46\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ud589\ub82c\uc2dd\uc758 \uacb0\uacfc\ub97c \uacc4\uc0b0\ud558\uae30 \uc704\ud574 4\u00d74 \ud589\ub82c\uc744 \uacf1\ud560 \ud544\uc694\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. <strong>\ub450 \ud589\ub82c\uc758 \uacf1\uc758 \ud589\ub82c\uc2dd\uc740 \uac01 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc758 \uacf1\uacfc \uac19\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4<\/strong> (\uc18d\uc131 6). \uc544\uc9c1: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b1e9aef3e2499e7ed6d085319ce955e5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vert A \\cdot B \\vert  = \\vert A \\vert \\cdot \\vert B \\vert = 8 \\cdot (-4) = \\bm{-32}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"268\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \uc139\uc158\uc5d0\uc11c\ub294 \ud589\ub82c\uc2dd\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc608\ub97c \ub4e4\uc5b4 \uac01 \uc18d\uc131\uc744 \uc644\ubcbd\ud558\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub610\ud55c, \ud55c\uc815\uc0ac\uc758 \uc18d\uc131\uacfc \uad00\ub828\ub41c \uc5f0\uc2b5\ubb38\uc81c\ub3c4 \ucc3e\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc5d0\uc11c\ub294 \ud589\ub82c\uc2dd\uc758 \uac01 \uc18d\uc131\uc744 \ud558\ub098\uc529 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc6d0\ud558\ub294 \uacbd\uc6b0 \uc544\ub798 \uc694\uc57d \ud45c\ub85c \ubc14\ub85c \uac74\ub108\ub6f8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud83d\ude09 \uc18d\uc131 1: \uc804\uce58 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 \uc804\uce58\ub41c \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc608: \uc774\uc81c 2&#215;2 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/\"> <span class=\"screen-reader-text\">\uacb0\uc815\uc790\uc758 \uc18d\uc131<\/span> \ub354 \ubcf4\uae30 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-290","post","type-post","status-publish","format-standard","hentry","category-8"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ud589\ub82c\uc2dd\uc758 \uc18d\uc131 - \ub9c8\ud1a0\ub9ac\ud2f0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/ko\/\ud589\ub82c\uc2dd\uc758-\uc18d\uc131-\uc608-\ubc0f-\uc5f0\uc2b5-2x2-3x3\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud589\ub82c\uc2dd\uc758 \uc18d\uc131 - \ub9c8\ud1a0\ub9ac\ud2f0\" \/>\n<meta property=\"og:description\" content=\"\uc774 \uc139\uc158\uc5d0\uc11c\ub294 \ud589\ub82c\uc2dd\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc608\ub97c \ub4e4\uc5b4 \uac01 \uc18d\uc131\uc744 \uc644\ubcbd\ud558\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub610\ud55c, \ud55c\uc815\uc0ac\uc758 \uc18d\uc131\uacfc \uad00\ub828\ub41c \uc5f0\uc2b5\ubb38\uc81c\ub3c4 \ucc3e\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc5d0\uc11c\ub294 \ud589\ub82c\uc2dd\uc758 \uac01 \uc18d\uc131\uc744 \ud558\ub098\uc529 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc6d0\ud558\ub294 \uacbd\uc6b0 \uc544\ub798 \uc694\uc57d \ud45c\ub85c \ubc14\ub85c \uac74\ub108\ub6f8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud83d\ude09 \uc18d\uc131 1: \uc804\uce58 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 \uc804\uce58\ub41c \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc608: \uc774\uc81c 2&#215;2 &hellip; \uacb0\uc815\uc790\uc758 \uc18d\uc131 \ub354 \ubcf4\uae30 &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mathority.org\/ko\/\ud589\ub82c\uc2dd\uc758-\uc18d\uc131-\uc608-\ubc0f-\uc5f0\uc2b5-2x2-3x3\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-06T20:03:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2f3228b0db84cb6cff32c1157107dfd7_l3.png\" \/>\n<meta name=\"author\" content=\"Mathority \ud300\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mathority \ud300\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/\"},\"author\":{\"name\":\"Mathority \ud300\",\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/person\/b7f677c20b58bb738a8602832db8c1c7\"},\"headline\":\"\uacb0\uc815\uc790\uc758 \uc18d\uc131\",\"datePublished\":\"2023-07-06T20:03:12+00:00\",\"dateModified\":\"2023-07-06T20:03:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/\"},\"wordCount\":7,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/mathority.org\/ko\/#organization\"},\"articleSection\":[\"\ud589\ub82c\uc758 \ud589\ub82c\uc2dd\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/\",\"url\":\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/\",\"name\":\"\ud589\ub82c\uc2dd\uc758 \uc18d\uc131 - \ub9c8\ud1a0\ub9ac\ud2f0\",\"isPartOf\":{\"@id\":\"https:\/\/mathority.org\/ko\/#website\"},\"datePublished\":\"2023-07-06T20:03:12+00:00\",\"dateModified\":\"2023-07-06T20:03:12+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mathority.org\/ko\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\uacb0\uc815\uc790\uc758 \uc18d\uc131\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mathority.org\/ko\/#website\",\"url\":\"https:\/\/mathority.org\/ko\/\",\"name\":\"Mathority\",\"description\":\"\ud638\uae30\uc2ec\uacfc \uacc4\uc0b0\uc774 \ub9cc\ub098\ub294 \uacf3!\",\"publisher\":{\"@id\":\"https:\/\/mathority.org\/ko\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mathority.org\/ko\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mathority.org\/ko\/#organization\",\"name\":\"Mathority\",\"url\":\"https:\/\/mathority.org\/ko\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/mathority.org\/ko\/wp-content\/uploads\/2023\/10\/mathority-logo.png\",\"contentUrl\":\"https:\/\/mathority.org\/ko\/wp-content\/uploads\/2023\/10\/mathority-logo.png\",\"width\":703,\"height\":151,\"caption\":\"Mathority\"},\"image\":{\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/person\/b7f677c20b58bb738a8602832db8c1c7\",\"name\":\"Mathority \ud300\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/dd3f98feaeb54f342e72193f2059ae90dc3178f59adb7c82b33fc7d71c6ee19d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/dd3f98feaeb54f342e72193f2059ae90dc3178f59adb7c82b33fc7d71c6ee19d?s=96&d=mm&r=g\",\"caption\":\"Mathority \ud300\"},\"sameAs\":[\"http:\/\/mathority.org\/ko\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\ud589\ub82c\uc2dd\uc758 \uc18d\uc131 - \ub9c8\ud1a0\ub9ac\ud2f0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mathority.org\/ko\/\ud589\ub82c\uc2dd\uc758-\uc18d\uc131-\uc608-\ubc0f-\uc5f0\uc2b5-2x2-3x3\/","og_locale":"ko_KR","og_type":"article","og_title":"\ud589\ub82c\uc2dd\uc758 \uc18d\uc131 - \ub9c8\ud1a0\ub9ac\ud2f0","og_description":"\uc774 \uc139\uc158\uc5d0\uc11c\ub294 \ud589\ub82c\uc2dd\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc608\ub97c \ub4e4\uc5b4 \uac01 \uc18d\uc131\uc744 \uc644\ubcbd\ud558\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub610\ud55c, \ud55c\uc815\uc0ac\uc758 \uc18d\uc131\uacfc \uad00\ub828\ub41c \uc5f0\uc2b5\ubb38\uc81c\ub3c4 \ucc3e\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc5d0\uc11c\ub294 \ud589\ub82c\uc2dd\uc758 \uac01 \uc18d\uc131\uc744 \ud558\ub098\uc529 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc6d0\ud558\ub294 \uacbd\uc6b0 \uc544\ub798 \uc694\uc57d \ud45c\ub85c \ubc14\ub85c \uac74\ub108\ub6f8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud83d\ude09 \uc18d\uc131 1: \uc804\uce58 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 \uc804\uce58\ub41c \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc608: \uc774\uc81c 2&#215;2 &hellip; \uacb0\uc815\uc790\uc758 \uc18d\uc131 \ub354 \ubcf4\uae30 &raquo;","og_url":"https:\/\/mathority.org\/ko\/\ud589\ub82c\uc2dd\uc758-\uc18d\uc131-\uc608-\ubc0f-\uc5f0\uc2b5-2x2-3x3\/","article_published_time":"2023-07-06T20:03:12+00:00","og_image":[{"url":"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2f3228b0db84cb6cff32c1157107dfd7_l3.png"}],"author":"Mathority \ud300","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Mathority \ud300"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/#article","isPartOf":{"@id":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/"},"author":{"name":"Mathority \ud300","@id":"https:\/\/mathority.org\/ko\/#\/schema\/person\/b7f677c20b58bb738a8602832db8c1c7"},"headline":"\uacb0\uc815\uc790\uc758 \uc18d\uc131","datePublished":"2023-07-06T20:03:12+00:00","dateModified":"2023-07-06T20:03:12+00:00","mainEntityOfPage":{"@id":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/"},"wordCount":7,"commentCount":0,"publisher":{"@id":"https:\/\/mathority.org\/ko\/#organization"},"articleSection":["\ud589\ub82c\uc758 \ud589\ub82c\uc2dd"],"inLanguage":"ko-KR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/","url":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/","name":"\ud589\ub82c\uc2dd\uc758 \uc18d\uc131 - \ub9c8\ud1a0\ub9ac\ud2f0","isPartOf":{"@id":"https:\/\/mathority.org\/ko\/#website"},"datePublished":"2023-07-06T20:03:12+00:00","dateModified":"2023-07-06T20:03:12+00:00","breadcrumb":{"@id":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%8b%9d%ec%9d%98-%ec%86%8d%ec%84%b1-%ec%98%88-%eb%b0%8f-%ec%97%b0%ec%8a%b5-2x2-3x3\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mathority.org\/ko\/"},{"@type":"ListItem","position":2,"name":"\uacb0\uc815\uc790\uc758 \uc18d\uc131"}]},{"@type":"WebSite","@id":"https:\/\/mathority.org\/ko\/#website","url":"https:\/\/mathority.org\/ko\/","name":"Mathority","description":"\ud638\uae30\uc2ec\uacfc \uacc4\uc0b0\uc774 \ub9cc\ub098\ub294 \uacf3!","publisher":{"@id":"https:\/\/mathority.org\/ko\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mathority.org\/ko\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/mathority.org\/ko\/#organization","name":"Mathority","url":"https:\/\/mathority.org\/ko\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/mathority.org\/ko\/#\/schema\/logo\/image\/","url":"https:\/\/mathority.org\/ko\/wp-content\/uploads\/2023\/10\/mathority-logo.png","contentUrl":"https:\/\/mathority.org\/ko\/wp-content\/uploads\/2023\/10\/mathority-logo.png","width":703,"height":151,"caption":"Mathority"},"image":{"@id":"https:\/\/mathority.org\/ko\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/mathority.org\/ko\/#\/schema\/person\/b7f677c20b58bb738a8602832db8c1c7","name":"Mathority \ud300","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/mathority.org\/ko\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/dd3f98feaeb54f342e72193f2059ae90dc3178f59adb7c82b33fc7d71c6ee19d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/dd3f98feaeb54f342e72193f2059ae90dc3178f59adb7c82b33fc7d71c6ee19d?s=96&d=mm&r=g","caption":"Mathority \ud300"},"sameAs":["http:\/\/mathority.org\/ko"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/posts\/290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/comments?post=290"}],"version-history":[{"count":0,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/posts\/290\/revisions"}],"wp:attachment":[{"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/media?parent=290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/categories?post=290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/tags?post=290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}