{"id":213,"date":"2023-07-11T21:43:45","date_gmt":"2023-07-11T21:43:45","guid":{"rendered":"https:\/\/mathority.org\/ko\/%eb%b2%a1%ed%84%b0%ec%99%80-%ec%8a%a4%ec%b9%bc%eb%9d%bc-%ec%8b%a4%ec%88%98%ec%9d%98-%ea%b3%b1%ec%85%88\/"},"modified":"2023-07-11T21:43:45","modified_gmt":"2023-07-11T21:43:45","slug":"%eb%b2%a1%ed%84%b0%ec%99%80-%ec%8a%a4%ec%b9%bc%eb%9d%bc-%ec%8b%a4%ec%88%98%ec%9d%98-%ea%b3%b1%ec%85%88","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%eb%b2%a1%ed%84%b0%ec%99%80-%ec%8a%a4%ec%b9%bc%eb%9d%bc-%ec%8b%a4%ec%88%98%ec%9d%98-%ea%b3%b1%ec%85%88\/","title":{"rendered":"\ubca1\ud130\uc640 \uc22b\uc790\uc758 \uacf1\uc148"},"content":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \uc22b\uc790\uc640 \uadf8\ub798\ud53d\uc744 \ud1b5\ud574 \ubca1\ud130\uc5d0 \uc2e4\uc218(\ub610\ub294 \uc2a4\uce7c\ub77c)\ub97c \uacf1\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uc2a4\uce7c\ub77c\uc5d0 \uc758\ud55c \ubca1\ud130 \uacf1\uc758 \uc608\uc81c\uc640 \ud574\uacb0 \uc5f0\uc2b5\ub3c4 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubca1\ud130\ub97c \uc0ac\uc6a9\ud55c \uc774\ub7ec\ud55c \uc720\ud615\uc758 \uc5f0\uc0b0 \uc18d\uc131\ub3c4 \uc124\uba85\ud569\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcomo-se-multiplica-un-vector-por-un-numero-real\"><\/span> \ubca1\ud130\uc5d0 \uc2e4\uc218\ub97c \uc5b4\ub5bb\uac8c \uacf1\ud558\ub098\uc694? <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div style=\"background-color:#FFCC8080;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px; border: 2px solid #FFB74D; border-radius:20px;\">\n<p style=\"text-align:left\"> \ubca1\ud130\uc640 \uc22b\uc790(\ub610\ub294 \uc2a4\uce7c\ub77c)\uc758 \uacf1\uc744 \uc218\uce58\uc801\uc73c\ub85c \uacc4\uc0b0\ud558\ub824\uba74 \ubca1\ud130\uc758 \uac01 \uad6c\uc131\uc694\uc18c\uc5d0 \uc22b\uc790\ub97c \uacf1\ud574\uc57c \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-d4b2f8c9cdb09377a66fbce8392c30ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{u}} = (\\text{u}_x,\\text{u}_y)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"91\" style=\"vertical-align: -6px;\"><\/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-abb3b5391be9c0e4d871ff45367ca838_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k\\cdot \\vv{\\text{u}} =(k\\cdot \\text{u}_x \\ , \\ k\\cdot \\text{u}_y)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"170\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<\/div>\n<p> \ub530\ub77c\uc11c \ubca1\ud130\uc5d0 \uc22b\uc790\ub97c \uacf1\ud55c \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc131\uc744 \uac00\uc9c4 \uc0c8\ub85c\uc6b4 \ubca1\ud130\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<ul style=\"color:#ff6f00; font-weight: bold;>\n<li><span style=\" color:#262626;font-weight:=\"\" normal;\"=\"\">\n<li style=\"margin-bottom:18px\"><span style=\"color:#000000;font-weight: normal;\">\ubca1\ud130\uc640 \uc2a4\uce7c\ub77c\ub97c \uacf1\ud558\uba74 \uc6d0\ub798 \ubca1\ud130\uc640 \ubc29\ud5a5\uc774 \uac19\uc740 \uc0c8 \ubca1\ud130\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#000000;font-weight: normal;\">\ub610\ud55c \uc22b\uc790\uac00 \uc591\uc218\uc774\uba74 \uc0c8 \ubca1\ud130\ub294 \ub3d9\uc77c\ud55c \ubc29\ud5a5\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#000000;font-weight: normal;\">\ub610\ub294 \uc22b\uc790\uac00 \uc74c\uc218\uc774\uba74 \ubc18\ub300 \uc758\ubbf8\ub97c \uac16\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color:#000000;font-weight: normal;\">\uacb0\uacfc \ubca1\ud130\uc758 \ud06c\uae30\ub294 \uc6d0\ub798 \ubca1\ud130\uc758 \ud06c\uae30\uc5d0 \uc2a4\uce7c\ub77c\ub97c \uacf1\ud55c \uac83\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> \ub2e4\uc74c \uadf8\ub798\ud504\uc5d0\uc11c\ub294 \uc2a4\uce7c\ub77c\uc758 \ubd80\ud638\uc5d0 \uad00\uacc4\uc5c6\uc774 \ubca1\ud130\uc758 \ubc29\ud5a5\uc774 \uc5b4\ub5bb\uac8c \uc720\uc9c0\ub418\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74 \ubca1\ud130\uc758 \ubc29\ud5a5\uc740 \uacf1\ud558\ub294 \uc22b\uc790\uc758 \ubd80\ud638\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\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\/multiplication-ou-produit-dun-nombre-ou-dun-scalaire-par-un-vecteur.webp\" alt=\"\ubca1\ud130\uc5d0 \uc758\ud55c \uc22b\uc790 \ub610\ub294 \uc2a4\uce7c\ub77c\uc758 \uacf1\uc148 \ub610\ub294 \uacf1\" class=\"wp-image-283\" width=\"305\" height=\"206\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \ub610\ud55c \ub2e4\uc74c \uadf8\ub798\ud504\uc5d0\uc11c\ub294 \uacb0\uacfc \uacf1 \ubca1\ud130\uc758 \ud06c\uae30\uac00 \uc6d0\ub798 \ubca1\ud130\uc758 \ud06c\uae30\uc5d0 \uc2a4\uce7c\ub77c\ub97c \uacf1\ud55c \uac83\uacfc \ub3d9\uc77c\ud558\ub2e4\ub294 \uac83\uc744 \ubd84\uba85\ud788 \uc54c \uc218 \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\/numero-de-produit-de-multiplication-de-module-par-vecteur.webp\" alt=\"\ubca1\ud130\uc5d0 \uc758\ud55c \uc22b\uc790\uc758 \uacf1\uc148 \ub610\ub294 \uacf1\uc148 \ubaa8\ub4c8\uc740 \uc5b4\ub5bb\uac8c \uc9c4\ud654\ud569\ub2c8\uae4c?\" class=\"wp-image-290\" width=\"255\" height=\"313\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \ubd84\uba85\ud788, \ubca1\ud130\uc5d0 1\ubcf4\ub2e4 \ud070 \uc22b\uc790\ub97c \uacf1\ud558\uba74 \uacb0\uacfc\ub294 \ub354 \uae34 \uae38\uc774(\ub354 \ud070 \ubaa8\ub4c8\ub7ec\uc2a4)\uc758 \ubca1\ud130\uac00 \ub429\ub2c8\ub2e4. \ubc18\uba74, \ubca1\ud130\uc5d0 1\ubcf4\ub2e4 \uc791\uc740 \uc22b\uc790\ub97c \uacf1\ud558\uba74 \uacb0\uacfc\ub294 \ub354 \uc9e7\uc740 \uae38\uc774(\ub354 \uc791\uc740 \ubaa8\ub4c8\ub7ec\uc2a4)\uc758 \ubca1\ud130\uac00 \ub429\ub2c8\ub2e4.<\/p>\n<p> <strong>\ucc38\uace0:<\/strong> \ubca1\ud130\uc640 \uc2a4\uce7c\ub77c\uc758 \uacf1\uc744 <a href=\"https:\/\/mathority.org\/ko\/\u1103\u116e-\u1107\u1166\u11a8\u1110\u1165-\u1100\u1161\u11ab\u110b\u1174-\u1109\u1173\u110f\u1161\u11af\u1105\u1161-\u1100\u1169\u11b8\u110b\u1173\u11af-\u1100\u1168\u1109\u1161\u11ab\u1112\u1161\u11b8\u1102\u1175\u1103\u1161.-\u110b\u1168\u110c\u1166-\u1112\u1162\u1100\u1167\u11af-\u110b\u1167\u11ab\u1109\u1173\u11b8\/\">\ubca1\ud130\uc758 \ub0b4\uc801<\/a> \uacfc \ud63c\ub3d9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc774\ub984\uc740 \ube44\uc2b7\ud558\uc9c0\ub9cc \uc804\ud600 \ub2e4\ub978 \uac1c\ub150\uc785\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-del-producto-de-un-vector-por-un-escalar\"><\/span> \uc2a4\uce7c\ub77c\uc5d0 \uc758\ud55c \ubca1\ud130 \uacf1\uc758 \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ub2e4\uc74c\uc73c\ub85c \ubca1\ud130\uc640 \uc22b\uc790\uc758 \uacf1\uc774 \uacc4\uc0b0\ub418\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc218\uce58\uc801 \uc608\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \ub2e4\uc74c \ubca1\ud130\uc5d0 4\ub97c \uacf1\ud569\ub2c8\ub2e4.<\/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-0a3b02659b94a332ef3cd2cc62769d94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{u}} =(2,-3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"86\" 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-998ae86a47fde44f6006a0744f03c562_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4\\cdot \\vv{\\text{u}} =(4 \\cdot 2 \\ , \\ 4 \\cdot (-3)) = \\bm{(8,-12)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"263\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ubcf4\uc2dc\ub2e4\uc2dc\ud53c, \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ubca1\ud130 \uc5f0\uc0b0\uc740 \ub9ce\uc740 \uacc4\uc0b0\uc744 \uc218\ud589\ud560 \ud544\uc694\uac00 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uadf8\ub9ac \ubcf5\uc7a1\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uadf8\ub7ec\ub098 \ubca1\ud130 \ucd94\uac00 \ubc0f \ubca1\ud130 \ube7c\uae30\uc640 \uac19\uc740 \ub354 \ubcf5\uc7a1\ud55c \ubca1\ud130 \uc5f0\uc0b0\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ubca1\ud130\uc640 \uc2a4\uce7c\ub77c\uc758 \uacf1\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ubbf8 \uc774\ud574\ud588\ub2e4\uba74 \ub2e4\uc74c \ub2e8\uacc4\ub85c \ub118\uc5b4\uac00 <a href=\"https:\/\/mathority.org\/ko\/\u1107\u1166\u11a8\u1110\u1165\u110b\u1174-\u1112\u1161\u11b8\u110b\u1173\u11af-\u1100\u1173\u1105\u1162\u1111\u1175\u11a8\u110c\u1165\u11a8\u110b\u1173\u1105\u1169-\u1109\u116e\u110e\u1175\u110c\u1165\u11a8\u110b\u1173\u1105\u1169-\u1111\u116e\u11af\u110b\u1165\u1102\u1162\u11ab-\u110b\u1168-\u110b\u1167\u11ab\u1109\u1173\u11b8-\u110e\u116e\u1100\u1161\/\">\ubca1\ud130 \ub367\uc148<\/a> \uacfc <a href=\"https:\/\/mathority.org\/ko\/\u1107\u1166\u11a8\u1110\u1165\u1105\u1173\u11af-\u1109\u116e\u11ba\u110c\u1161\u1105\u1169-\u1100\u1173\u1105\u1162\u1111\u1175\u11a8\u110b\u1173\u1105\u1169-\u1108\u1162\u1100\u1175-\u110b\u1168-\u1112\u1162\u1100\u1167\u11af-\u110b\u1167\u11ab\u1109\u1173\u11b8-\u1108\u1162\u1100\u1175\/\">\ubca1\ud130 \ube84\uc148\uc744<\/a> \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub2e4\uc18c \uc5b4\ub824\uc6b4 \uc791\uc5c5\uc774\uba70 \uc2e4\uc81c\ub85c\ub294 \ud6e8\uc52c \ub354 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4(\ub354 \uc911\uc694\ud569\ub2c8\ub2e4). <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-de-la-multiplicacion-de-un-vector-por-un-numero\"><\/span> \ubca1\ud130\uc5d0 \uc22b\uc790\ub97c \uacf1\ud558\ub294 \uc18d\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ubca1\ud130\uc640 \uc22b\uc790\uc758 \uacf1\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc18d\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> <strong>\uc5f0\uad00 \uc18d\uc131<\/strong> : \ubca1\ud130\uc5d0 \ub458 \uc774\uc0c1\uc758 \uc22b\uc790\ub97c \uacf1\ud560 \ub54c \uacf1\uc148\uc758 \uc21c\uc11c\ub294 \uc911\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/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-a7cc3b0e34695b9960f32199046e868e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k \\cdot (k' \\cdot \\vv{\\text{u}}) =(k\\cdot k') \\cdot \\vv{\\text{u}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"171\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> \ubca1\ud130\uc758 \ub367\uc148\uacfc \ube84\uc148\uc5d0 \uad00\ud55c <strong>\ubd84\ubc30\ubc95\uce59<\/strong> :<\/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-a8b55a3b25ad66154d6e8bb18fc70da7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k \\cdot (\\vv{\\text{u}}+  \\vv{\\text{v}})=k\\cdot \\vv{\\text{u}} + k\\cdot \\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"187\" 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-086f60151d160ac3b6d4f5add59434b4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k \\cdot (\\vv{\\text{u}}- \\vv{\\text{v}})=k\\cdot \\vv{\\text{u}} - k\\cdot \\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"187\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> \uc2a4\uce7c\ub77c \ub367\uc148\uc5d0 \uad00\ud55c <strong>\ubd84\ubc30\ubc95\uce59<\/strong> :<\/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-7354955effb7b59f41793537f4517851_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(k+k') \\cdot \\vv{\\text{u}} =k\\cdot \\vv{\\text{u}} + k'\\cdot \\vv{\\text{u}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"196\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> <strong>\uc911\ub9bd \uc694\uc18c<\/strong> : \ubd84\uba85\ud788 \ubaa8\ub4e0 \ubca1\ud130\uc5d0 1\uc744 \uacf1\ud558\uba74 \ubca1\ud130 \uc790\uccb4\uac00 \ub429\ub2c8\ub2e4. <\/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-154c7987de1e55e762dcf229eae9fd23_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1\\cdot \\vv{\\text{u}} = \\vv{\\text{u}}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"64\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-multiplicacion-de-un-vector-por-un-escalar\"><\/span> \uc2a4\uce7c\ub77c\uc5d0 \uc758\ud55c \ubca1\ud130\uc758 \uacf1\uc148 \ubb38\uc81c \ud574\uacb0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ub2e4\uc74c \ubca1\ud130\uc758 \uacf1 \uacb0\uacfc\ub97c 3\uc73c\ub85c \ubd84\uc11d\uc801\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-8b5a56f394f2b178a0175a53e6a55a1a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{a}=(-2,5)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" 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__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" 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\"> \uc81c\ud488\uc744 \ucc3e\uc73c\ub824\uba74 \ubca1\ud130\uc758 \uac01 \uc88c\ud45c\uc5d0 3\uc744 \uacf1\ud574\uc57c \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-4e0b8a6167489c27e91bef24f222e3af_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3\\cdot \\vv{a}=(3\\cdot (-2), 3 \\cdot 5) = \\bm{(-6,15)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"250\" style=\"vertical-align: -5px;\"><\/p>\n<\/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 \ubca1\ud130\uc5d0 6\uc744 \uacf1\ud558\uace0 \ud574\ub2f9 \ubaa8\ub4c8\uc744 \ucc3e\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-85db994a57a1325a456909a04efa2e23_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{a}=(3,-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"86\" 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__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" 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\"> \uba3c\uc800 \ubca1\ud130\uc5d0 \uc2a4\uce7c\ub77c\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-7c6c6b2d9291528aff357e7e94daf221_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6\\cdot \\vv{a}=(6\\cdot 3, 6 \\cdot (-4)) = (18,-24)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"259\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \uc5bb\uc740 \ubca1\ud130\uc758 \ud06c\uae30\ub97c \uacc4\uc0b0\ud558\ub294 \ub450 \uac00\uc9c0 \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uccab \ubc88\uc9f8\ub294 \uc6d0\ub798 \ubca1\ud130\uc758 \ud06c\uae30\ub97c \uad6c\ud55c \ub2e4\uc74c \uc5ec\uae30\uc5d0 6\uc744 \uacf1\ud558\ub294 \uac83\uc785\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-7a7bc760b63c8efa2c36d2d49802000c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert \\vv{a} \\rvert =\\sqrt{3^2+(-4)^2} = \\sqrt{25} =5\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"229\" style=\"vertical-align: -6px;\"><\/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-32f0e3a2cb32142aa26a1fbb0f3bf9df_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6\\cdot \\lvert \\vv{a} \\rvert =6\\cdot 5 =\\bm{30}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"137\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub450 \ubc88\uc9f8 \ubc29\ubc95\uc740 \uacf1\uc148\uc5d0\uc11c \uc5bb\uc740 \ubca1\ud130\uc758 \ud06c\uae30\ub97c \uc9c1\uc811 \uacc4\uc0b0\ud558\ub294 \uac83\uc785\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-06f0793bfdae917904c47247b9b1f08f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert 6\\cdot \\vv{a} \\rvert =\\sqrt{18^2+(-24)^2} = \\sqrt{900} =\\bm{30}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"287\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ub450 \uc808\ucc28 \ubaa8\ub450 \uacb0\uacfc\uac00 \ubaa8\ub4c8\ub7ec\uc2a4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \uc758\uc874\ud558\uc9c0 \uc54a\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/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 \ubca1\ud130\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-cf8d63b14f91ee738fe5107ab2a05779_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{a}=(4,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"86\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub2e4\uc74c \uc5f0\uc0b0\uc744 \ub300\uc218\uc801\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-5557b66d322653674e2266800c73c958_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2\\cdot \\vv{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"31\" 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-a2f511cc4014aae8cf90bef442f30bdd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3\\cdot \\vv{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" 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-d09a188710cecb56283c4a2dea7a97e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\frac{1}{2} \\cdot \\vv{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"33\" style=\"vertical-align: -12px;\"><\/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-7c4742e8a37f45e358d2e7740c5aadef_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4\\cdot \\vv{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"31\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub2e4\uc74c\uc73c\ub85c, \uacb0\uacfc \ubca1\ud130\uac00 \uc6d0\ub798 \ubca1\ud130\uc640 \ub3d9\uc77c\ud55c \ubc29\ud5a5 \ubc0f \ubc29\ud5a5\uc744 \uac00\uc9c0\uace0 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uace0 \uac00\uc7a5 \uc9e7\uc740 \uac83\ubd80\ud130 \uac00\uc7a5 \uae34 \uac83 \uc21c\uc73c\ub85c \uc815\ub82c\ud569\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" 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\"> \uba3c\uc800 \uacf1\uc148\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-6b92c621a30ebf15a0628cba3e0f6be5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2\\cdot \\vv{a}=(2\\cdot 4, 2 \\cdot (-1)) = (8,-2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"241\" 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-71e1eb36b88b2ca47d69f0bfe4d1a33b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3\\cdot \\vv{a}=(-3\\cdot 4, -3 \\cdot (-1)) = (-12,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"290\" 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-d9866b27859b66475a36d182919ec4e1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\frac{1}{2}\\cdot \\vv{a}=\\left(\\frac{1}{2}\\cdot 4, \\frac{1}{2} \\cdot (-1)\\right) = \\left(2,-\\frac{1}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"277\" 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-6904a22660dc2e21ab3f775e1453535c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4\\cdot \\vv{a}=(4\\cdot 4, 4 \\cdot (-1)) = (16,-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"250\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \uc591\uc218\ub97c \uacf1\ud55c \ubca1\ud130\ub294 \uc6d0\ub798 \ubca1\ud130\uc640 \ubc29\ud5a5 \ubc0f \ubc29\ud5a5\uc774 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc74c\uc218\ub97c \uacf1\ud55c \ubca1\ud130\ub294 \uc6d0\ub798 \ubca1\ud130\uc640 \ubc29\ud5a5\uc740 \uac19\uc9c0\ub9cc \ubc29\ud5a5\uc774 \ubc18\ub300\uc785\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-center\"> \uac19\uc740 \ubc29\ud5a5\uacfc \uac19\uc740 \ubc29\ud5a5\uc758 \ubca1\ud130:<\/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-50dd29950a1b957a78493d3de5b4bf5b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 2\\vv{a}, \\ 4\\vv{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"50\" style=\"vertical-align: -4px;\"><\/p>\n<p> \uadf8\ub9ac\uace0<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9fac7295c812fa36c4fcba97e316b5f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\frac{1}{2}\\vv{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"20\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"> \ubc29\ud5a5\uc740 \uac19\uc9c0\ub9cc \uc758\ubbf8\uac00 \ub2e4\ub978 \ubca1\ud130:<\/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-d1b95a4d066d0dd0da8cdf0373d19c8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3\\vv{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"31\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubca1\ud130\uc758 \uae38\uc774 \ub610\ub294 \ub3d9\ub4f1\ud55c \ubaa8\ub4c8\uc5d0 \ub530\ub77c \ubca1\ud130\uc758 \uc21c\uc11c\ub97c \uc9c0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uac00\uc7a5 \uae34 \uae38\uc774\uc758 \ubca1\ud130(\ub610\ub294 \uac00\uc7a5 \ud070 \ubaa8\ub4c8)\ub294 \ub354 \ud070 \uc22b\uc790(\uc808\ub300\uac12)\ub97c \uacf1\ud55c \ubca1\ud130\uac00 \ub418\uace0, \uac00\uc7a5 \uc9e7\uc740 \uae38\uc774\uc758 \ubca1\ud130(\ub610\ub294 \uac00\uc7a5 \uc791\uc740 \ubaa8\ub4c8)\ub294 \ub354 \uc791\uc740 \uc22b\uc790\ub97c \uacf1\ud55c \ubca1\ud130\uac00 \ub429\ub2c8\ub2e4. \uc22b\uc790(\uc808\ub300\uac12). \ub530\ub77c\uc11c \uae38\uc774 \uc21c\uc11c\ub294 \ub2e4\uc74c\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-b1e7cf58774569c9f128f49948c9fead_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} \\displaystyle\\frac{1}{2}\\vv{a}\\end{vmatrix} <\\lvert 2\\vv{a}\\rvert < \\lvert -3\\vv{a}\\rvert < \\lvert 4\\vv{a}\\rvert\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"199\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ubca1\ud130\uc758 \ubc29\ud5a5\uc774 \ubaa8\ub4c8\ub7ec\uc2a4\ub97c \uc218\uc815\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uae38\uc774\ub098 \ubaa8\ub4c8\ub7ec\uc2a4\ub294 \uacf1\ud574\uc9c0\ub294 \uc2a4\uce7c\ub77c\uc758 \ubd80\ud638\uc5d0 \uc758\uc874\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 4<\/h3>\n<p> \ub2e4\uc74c \ub450 \ubca1\ud130\ub97c \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/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-740cd5f2540cb57342f82c58e1076cbf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{a} =(7,-2) \\qquad \\vv{b} =(-3,5)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"205\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub2e4\uc74c \uc791\uc5c5\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-5abd316200fbcf062072dfdf51266cda_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\vv{a} - 3 \\vv{b}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"57\" 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__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" 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\"> \uba3c\uc800 \ubca1\ud130\uc640 \uc22b\uc790\uc758 \uacf1\uc148\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-08a07c35741b9e7427990abb5bb89ef9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot \\vv{a} - 3 \\cdot \\vv{b}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"82\" 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-5fa31543d7c2a129c47b030cfa5fc4e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot (7,-2) - 3 \\cdot(-3,5)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"171\" 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-d7624e801962ac397ca316243c4e3420_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(14,-4) - (-9,15)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"144\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub7f0 \ub2e4\uc74c \ubca1\ud130\ub97c \ube8d\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-72660b240eab9459d0b0aefb1d10d728_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(14-(-9),-4-15)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"158\" 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-fe8b5f018f4a24a925bfce0c2c997dae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(23,-19)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"70\" style=\"vertical-align: -5px;\"><\/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> \ub2e4\uc74c\uacfc \uac19\uc774 \ubca1\ud130\uc5d0 \uc2a4\uce7c\ub77c\ub97c \uacf1\ud558\uace0 \uacb0\uacfc\ub97c \uadf8\ub798\ud504\ub85c \ud45c\uc2dc\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-b1c2fa6e2c114b3bbce76ca987020ad9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2\\cdot (1,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"60\" 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-1adddd551d57bc95b951c6573080090a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3\\cdot (-1,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"87\" 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-33be3689306562b8a4ae74d0970fc1f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4\\cdot (2,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"60\" 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-bd3d3bba47ccc84d7616e38ca863b22d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\frac{3}{2}\\cdot (-2,4)\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"76\" style=\"vertical-align: -12px;\"><\/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-8fe6e18de5ed93f74fa207a3f9ecc2c2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -\\frac{1}{2}\\cdot (8,6)\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"77\" style=\"vertical-align: -12px;\"><\/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__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" 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\"> \uba3c\uc800 \ubca1\ud130\uc5d0 \uc2e4\uc218 \uc2a4\uce7c\ub77c\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-6846258bc5f69aaea3f86991095d3199_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2\\cdot (1,2) = (2\\cdot 1,2\\cdot 2)=\\bm{(2,4)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"230\" 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-605e263cab7e34f01290372f0e2666c7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3\\cdot (-1,1) = (-3\\cdot (-1),-3\\cdot 1)=\\bm{(3,-3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"325\" 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-b8b4cf7b606673d72ae9cdd0004f0757_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4\\cdot (2,1) = (4\\cdot 2,4\\cdot 1)=\\bm{(8,4)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"230\" 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-51454cc5c3239bb4552918b1a693b499_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\frac{3}{2}\\cdot (-2,4)= \\left(\\frac{3}{2}\\cdot (-2), \\frac{3}{2}\\cdot 4 \\right) = \\bm{(-3,6)}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"307\" 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-8fbbfff835499e861d11de5da6714d10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -\\frac{1}{2}\\cdot (8,6)= \\left(-\\frac{1}{2}\\cdot 8, -\\frac{1}{2}\\cdot 6 \\right) = \\bm{(-4,-3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"322\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubca1\ud130\ub97c \uacc4\uc0b0\ud55c \ud6c4 \uadf8\ub798\ud504\uc5d0 \ud45c\uc2dc\ud569\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\/exercices-et-problemes-resolus-de-multiplication-dun-vecteur-par-un-nombre.webp\" alt=\"\ubca1\ud130\uc5d0 \uc22b\uc790\ub97c \uacf1\ud558\ub294 \ubb38\uc81c\ub97c \uc5f0\uc2b5\ud558\uace0 \ud574\uacb0\ud588\uc2b5\ub2c8\ub2e4.\" class=\"wp-image-327\" width=\"469\" height=\"370\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \uc22b\uc790\uc640 \uadf8\ub798\ud53d\uc744 \ud1b5\ud574 \ubca1\ud130\uc5d0 \uc2e4\uc218(\ub610\ub294 \uc2a4\uce7c\ub77c)\ub97c \uacf1\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uc2a4\uce7c\ub77c\uc5d0 \uc758\ud55c \ubca1\ud130 \uacf1\uc758 \uc608\uc81c\uc640 \ud574\uacb0 \uc5f0\uc2b5\ub3c4 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubca1\ud130\ub97c \uc0ac\uc6a9\ud55c \uc774\ub7ec\ud55c \uc720\ud615\uc758 \uc5f0\uc0b0 \uc18d\uc131\ub3c4 \uc124\uba85\ud569\ub2c8\ub2e4. \ubca1\ud130\uc5d0 \uc2e4\uc218\ub97c \uc5b4\ub5bb\uac8c \uacf1\ud558\ub098\uc694? \ubca1\ud130\uc640 \uc22b\uc790(\ub610\ub294 \uc2a4\uce7c\ub77c)\uc758 \uacf1\uc744 \uc218\uce58\uc801\uc73c\ub85c \uacc4\uc0b0\ud558\ub824\uba74 \ubca1\ud130\uc758 \uac01 \uad6c\uc131\uc694\uc18c\uc5d0 \uc22b\uc790\ub97c \uacf1\ud574\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubca1\ud130\uc5d0 \uc22b\uc790\ub97c \uacf1\ud55c \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc131\uc744 \uac00\uc9c4 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%eb%b2%a1%ed%84%b0%ec%99%80-%ec%8a%a4%ec%b9%bc%eb%9d%bc-%ec%8b%a4%ec%88%98%ec%9d%98-%ea%b3%b1%ec%85%88\/\"> <span class=\"screen-reader-text\">\ubca1\ud130\uc640 \uc22b\uc790\uc758 \uacf1\uc148<\/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":[22],"tags":[],"class_list":["post-213","post","type-post","status-publish","format-standard","hentry","category-22"],"yoast_head":"<!-- This site is optimized 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