{"id":215,"date":"2023-07-11T12:27:22","date_gmt":"2023-07-11T12:27:22","guid":{"rendered":"https:\/\/mathority.org\/id\/contoh-hasil-kali-campuran-tiga-vektor-atau-hasil-kali-skalar-rangkap-tiga\/"},"modified":"2023-07-11T12:27:22","modified_gmt":"2023-07-11T12:27:22","slug":"contoh-hasil-kali-campuran-tiga-vektor-atau-hasil-kali-skalar-rangkap-tiga","status":"publish","type":"post","link":"https:\/\/mathority.org\/id\/contoh-hasil-kali-campuran-tiga-vektor-atau-hasil-kali-skalar-rangkap-tiga\/","title":{"rendered":"Hasil kali campuran tiga vektor (atau hasil kali tiga titik)"},"content":{"rendered":"<p>Di halaman ini kami menjelaskan apa itu perkalian campuran tiga vektor (atau perkalian titik tiga) dan cara menghitungnya. Anda juga akan melihat contoh, latihan, dan penyelesaian masalah pada jenis operasi antar vektor ini. Dan, sebagai tambahan, Anda akan menemukan sifat dan kegunaan produk campuran. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-el-producto-mixto-de-tres-vectores\"><\/span> Berapakah hasil kali campuran tiga buah vektor?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>Hasil kali campuran<\/strong> tiga vektor, disebut juga <strong>hasil kali tiga titik<\/strong> , adalah perkalian berurutan antara tiga vektor yang melibatkan dua jenis operasi berbeda: <a href=\"https:\/\/mathority.org\/id\/menghitung-hasil-kali-skalar-antara-dua-vektor-contoh-latihan-yang-diselesaikan\/\">hasil kali titik<\/a> dan <a href=\"https:\/\/mathority.org\/id\/perkalian-silang-dua-vektor-contoh-rumus-silang-latihan-yang-diselesaikan\/\">hasil kali vektor<\/a> . Jadi, kombinasi kedua operasi vektor menghasilkan skalar (bilangan real).<\/p>\n<p> Konkretnya, perkalian campuran terdiri dari penghitungan perkalian vektor dari dua vektor dan selanjutnya mengalikan hasil yang diperoleh secara vektor dengan vektor ketiga. Ditulis seperti ini mungkin terlihat sangat rumit, namun kenyataannya tidak terlalu banyak, lihat rumus perkalian triple dot:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7904652c5b12243a6dc713936dba9d6d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr] = \\vv{\\text{u}} \\cdot ( \\vv{\\text{v}}\\times \\vv{\\text{w}})\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"163\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p> Seperti yang Anda lihat dalam rumusnya, hasil kali campuran tiga vektor ditunjukkan dengan dua tanda kurung siku. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcomo-calcular-el-producto-mixto-de-tres-vectores\"><\/span> Bagaimana cara menghitung hasil kali campuran tiga vektor?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Rumus hasil kali tiga titik adalah rumus yang baru saja kita lihat di bagian sebelumnya, namun umumnya tidak digunakan untuk menentukan hasil kali campuran tiga vektor karena ada cara lain yang lebih sederhana dan cepat: <\/p>\n<div style=\"background-color:#FFCC8080;padding-top: 20px; padding-bottom: 0.5px; padding-right: 30px; padding-left: 30px; border: 2px solid #FFB74D; border-radius:20px;\">\n<p style=\"text-align:left\"> Misalkan 3 vektor apa pun menjadi:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3d0daa4c1f9e1aff4f64a39f229bc207_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{u}}= (\\text{u}_x,\\text{u}_y,\\text{u}_z) \\qquad \\vv{\\text{v}}= (\\text{v}_x,\\text{v}_y,\\text{v}_z)\\qquad \\vv{\\text{w}}= (\\text{w}_x,\\text{w}_y,\\text{w}_z)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"431\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\"> Untuk menghitung <strong>hasil kali campuran antara tiga vektor,<\/strong> cukup selesaikan determinan 3\u00d73 yang dibentuk oleh komponen-komponen vektor tersebut:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a3fed933d4d02bb5ca6f5bae06ea544d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]=\\begin{vmatrix} \\text{u}_x &amp; \\text{u}_y &amp; \\text{u}_z \\\\[1.1ex] \\text{v}_x &amp;\\text{v}_y&amp;\\text{v}_z \\\\[1.1ex] \\text{w}_x &amp; \\text{w}_y &amp; \\text{w}_z \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"188\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<\/div>\n<p> Jadi Anda dapat melihat <span style=\"text-decoration: underline;\">contoh cara menghitungnya<\/span> , kita akan menemukan hasil kali campuran dari tiga vektor berikut:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d90f4dd611d93b46a9001a7fe26e03f7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{u}}= (1,2,0) \\qquad \\vv{\\text{v}}= (0,-1,3)\\qquad \\vv{\\text{w}}= (-2,4,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"369\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Untuk menentukan hasil kali campuran, kita membuat determinan orde 3 dengan menempatkan vektor-vektor pada baris matriks:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e5341b4a39b42c1284a4b0129b38b61a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]=\\begin{vmatrix} 1 &amp; 2 &amp; 0 \\\\[1.1ex] 0 &amp; -1 &amp; 3 \\\\[1.1ex] -2 &amp; 4 &amp; 1 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"180\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Dan sekarang kita hanya perlu menyelesaikan determinan matriksnya, untuk ini Anda dapat menggunakan metode apa pun. Dalam hal ini, kita akan menerapkan aturan Sarrus (tetapi ini juga dapat dilakukan dengan penjumlahan atau kofaktor): <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-df86565048cf897265878936f2294525_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]&amp; =\\begin{vmatrix} 1 &amp; 2 &amp; 0 \\\\[1.1ex] 0 &amp; -1 &amp; 3 \\\\[1.1ex] -2 &amp; 4 &amp; 1 \\end{vmatrix} \\\\[2ex] &amp;= -1-12+0-0-12-0 \\\\[2ex] &amp; = \\bm{-25} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"166\" width=\"276\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<hr class=\"wp-block-separator has-text-color has-background has-pale-cyan-blue-background-color has-pale-cyan-blue-color is-style-wide\">\n<p> Untuk menunjukkan bahwa kedua prosedur tersebut ekuivalen, kita akan menghitung hasil kali campuran vektor-vektor yang sama melalui definisinya:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e4d15d610ca9b4cb39e9f268cfb152ae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} \\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr] &amp; = \\vv{\\text{u}} \\cdot ( \\vv{\\text{v}}\\times \\vv{\\text{w}})\\\\[2ex] &amp;=(1,2,0) \\cdot \\Bigl( (0,-1,3)\\times (-2,4,1)\\Bigr) \\\\[2ex] &amp; = (1,2,0) \\cdot \\begin{vmatrix} \\vv{i}&amp; \\vv{j}&amp; \\vv{k} \\\\[1.1ex] 0&amp; -1 &amp; 3 \\\\[1.1ex] -2 &amp;4&amp;1 \\end{vmatrix} \\\\[2ex] &amp;=  (1,2,0) \\cdot (-13,-6,-2) \\\\[2ex] &amp; = \\bm{-25} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"262\" width=\"332\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Kami menyarankan untuk menghitung hasil perkalian campuran melalui determinan vektor, karena lebih cepat dan kecil kemungkinan terjadinya kesalahan. Namun, seperti yang Anda lihat, hasilnya tetap sama, apa pun metode yang Anda gunakan, jadi gunakan metode mana pun yang Anda suka. \ud83d\udc4d <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"interpretacion-geometrica-del-producto-mixto\"><\/span> Interpretasi geometris dari produk campuran<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Setelah Anda mengetahui cara mencari hasil kali campuran dari tiga vektor, Anda mungkin bertanya-tanya&#8230;dan untuk apa hasil kali campuran tersebut? Nah, dalam matematika ada dua kegunaan utama: menghitung volume paralelepiped dan volume tetrahedron.<\/p>\n<p> <strong>Volume suatu parallelepiped<\/strong> sama dengan nilai mutlak hasil kali campuran vektor-vektor yang menandai 3 dimensi bidang geometri. <\/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\/exemple-de-produit-mixte-de-trois-vecteurs.webp\" alt=\"contoh hasil kali campuran tiga vektor atau hasil kali skalar rangkap tiga\" class=\"wp-image-999\" width=\"309\" height=\"310\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> Penerapan lain dari produk campuran adalah untuk menentukan <strong>volume tetrahedron<\/strong> . Karena secara geometris seperenam nilai mutlak hasil kali campuran mewakili volume tetrahedron: <\/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\/produit-mixte-de-trois-vecteurs-dans-r3.webp\" alt=\"produk campuran tiga vektor di r3\" class=\"wp-image-1002\" width=\"273\" height=\"327\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-del-producto-mixto-o-triple-producto-escalar\"><\/span> Sifat-sifat produk campuran atau produk triple dot<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Produk campuran, atau produk skalar rangkap tiga, memiliki ciri-ciri sebagai berikut:<\/p>\n<ul>\n<li> Secara umum, perubahan <strong>orde<\/strong> vektor hasil kali campuran juga mengakibatkan perubahan tanda. Oleh karena itu, urutan vektor hasil kali campuran menjadi penting.<\/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-0ce0eff894cd1fa149c6d8c8ae6f0f03_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr] = -\\bigl[\\vv{\\text{v}},\\vv{\\text{u}},\\vv{\\text{w}}\\bigr] = -\\bigl[\\vv{\\text{u}},\\vv{\\text{w}},\\vv{\\text{v}}\\bigr] = - \\bigl[\\vv{\\text{w}},\\vv{\\text{v}},\\vv{\\text{u}}\\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"356\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<ul>\n<li> Namun, jika kita mengubah urutannya <strong>secara siklis<\/strong> , tandanya tidak berubah:<\/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-7e3f514d940b6d366613f59c6cd8bbba_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr] = \\bigl[\\vv{\\text{v}},\\vv{\\text{w}},\\vv{\\text{u}}\\bigr] = \\bigl[\\vv{\\text{w}},\\vv{\\text{u}},\\vv{\\text{v}}\\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"229\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<ul>\n<li> Dalam ruang tiga dimensi (dalam R3), hasil kali campuran tiga vektor <strong>bergantung linier<\/strong> atau vektor <strong>koplanar<\/strong> (yang berada pada bidang yang sama) sama dengan 0. <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-productos-mixtos\"><\/span> Memperbaiki masalah produk campuran<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> Latihan 1<\/h3>\n<p> Diberikan 3 vektor:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e4ea59160804c0287d02cbd1cf01b787_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{u}}= (3,-1,2) \\qquad \\vv{\\text{v}}= (-2,0,1)\\qquad \\vv{\\text{w}}= (5,1,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"383\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Hitung hasil kali campuran ketiga vektor: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6f6a0d080e09991ca4dc57ff1dd1ab83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"56\" style=\"vertical-align: -7px;\"><\/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>lihat solusi<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Untuk mencari hasil kali campurannya, kita harus menyelesaikan determinan yang terdiri dari koordinat vektor-vektornya: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-549ed90889d541ae4a1075449567b062_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]&amp; =\\begin{vmatrix} 3 &amp; -1 &amp; 2 \\\\[1.1ex] -2 &amp; 0 &amp; 1 \\\\[1.1ex] 5 &amp; 1 &amp; -1 \\end{vmatrix} \\\\[2ex] &amp;= 0-5-4-0-3+2 \\\\[2ex] &amp; = \\bm{-10} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"166\" width=\"244\" 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\">Latihan 2<\/h3>\n<p> Diberikan 3 vektor:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-269e213cd1d1e52c2189fe0dc420f93b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{u}}= (7,2,-3) \\qquad \\vv{\\text{v}}= (2,4,9)\\qquad \\vv{\\text{w}}= (4,3,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"369\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Tentukan hasil kali campuran antara ketiga vektor: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6f6a0d080e09991ca4dc57ff1dd1ab83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"56\" style=\"vertical-align: -7px;\"><\/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>lihat solusi<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Untuk mencari hasil kali campurannya, kita perlu mencari determinan yang mempunyai koordinat kartesius vektor-vektornya dalam bentuk garis: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-29b46155243552a99f6fd75de69f59da_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]&amp; =\\begin{vmatrix} 7 &amp; 2 &amp; -3 \\\\[1.1ex] 2 &amp; 4 &amp; 9 \\\\[1.1ex] 4 &amp; 3 &amp; -1 \\end{vmatrix} \\\\[2ex] &amp;= -28+72-18+48-189+4 \\\\[2ex] &amp; = \\bm{-111} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"166\" width=\"312\" 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\">Latihan 3<\/h3>\n<p> Hitunglah volume suatu bangun datar yang ketiga sisinya merupakan vektor berikut: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-897316aad94e2c06a745cc34bdcd2cb6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{u}}= (0,2,5) \\qquad \\vv{\\text{v}}= (-1,6,2)\\qquad \\vv{\\text{w}}= (3,1,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"355\" 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>lihat solusi<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Volume suatu parallelepiped sama dengan nilai absolut hasil kali campuran 3 vektor yang dimilikinya sebagai rusuk. Oleh karena itu, pertama-tama kita menghitung perkalian silang rangkap tiga dari vektor-vektor tersebut:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9718b369a508216fbb69ab68ac7de381_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]&amp; =\\begin{vmatrix} 0 &amp; 2 &amp; 5 \\\\[1.1ex] -1 &amp; 6 &amp; 2 \\\\[1.1ex] 3 &amp; 1 &amp; 2 \\end{vmatrix} \\\\[2ex] &amp;= 0+12-5-90-0+4 \\\\[2ex] &amp; = -79 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"166\" width=\"263\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Sehingga volume parallelepiped merupakan nilai absolut dari hasil perkalian campuran: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6074917d7c095bd718364a5ed3081c2d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"V= \\lvert -79 \\rvert = \\bm{79}\\ \\mathbf{u}\\bm{^3}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"145\" 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\">Latihan 4<\/h3>\n<p> Hitunglah volume tetrahedron yang titik sudutnya berada pada titik-titik berikut: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4c798eaa40f98c461a076a2bc0aa0910_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(1,0,2) \\qquad B(3,3,2)\\qquad C(5,-1,4)\\qquad D(4,2,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"401\" 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>lihat solusi<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Pertama, kita menghitung vektor yang mewakili tepi tetrahedron: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fe16cd346a46022ffcd90ad080b305ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{AB}=B-A= (3,3,2)-(1,0,2)=(2,3,0)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"337\" 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-7bb115ce61905a3f3a5c76dfd152b8f1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{AC}=C-A= (5,-1,4)-(1,0,2)=(4,-1,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"364\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-11697d137db244fd5b7a5f6328181183_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{AD}=D-A= (4,2,1)-(1,0,2)=(3,2,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"353\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Volume tetrahedron setara dengan seperenam nilai absolut hasil kali campuran 3 vektor yang dimilikinya untuk sisi-sisinya. Oleh karena itu, pertama-tama kita menghitung hasil kali campuran dari vektor-vektor yang ditemukan:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d384e76415a756b834e0a8e7c695b1c1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\bigl[\\vv{\\text{u}},\\vv{\\text{v}},\\vv{\\text{w}}\\bigr]&amp; =\\begin{vmatrix} 2 &amp; 3 &amp; 0 \\\\[1.1ex] 4 &amp; -1 &amp; 2 \\\\[1.1ex] 3 &amp; 2 &amp; -1 \\end{vmatrix} \\\\[2ex] &amp;= 2+18+0-0-8+12 \\\\[2ex] &amp; = 24 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"166\" width=\"262\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Jadi volume tetrahedron akan menjadi seperenam dari nilai absolut produk campuran: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0e1aefc732626b5a6d55a904d03452b4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"V= \\cfrac{1}{6} \\cdot \\lvert 24 \\rvert = \\cfrac{24}{6} = \\bm{4} \\ \\mathbf{u}\\bm{^3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"189\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Di halaman ini kami menjelaskan apa itu perkalian campuran tiga vektor (atau perkalian titik tiga) dan cara menghitungnya. Anda juga akan melihat contoh, latihan, dan penyelesaian masalah pada jenis operasi antar vektor ini. Dan, sebagai tambahan, Anda akan menemukan sifat dan kegunaan produk campuran. Berapakah hasil kali campuran tiga buah vektor? Hasil kali campuran tiga &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/id\/contoh-hasil-kali-campuran-tiga-vektor-atau-hasil-kali-skalar-rangkap-tiga\/\"> <span class=\"screen-reader-text\">Hasil kali campuran tiga vektor (atau hasil kali tiga titik)<\/span> Selengkapnya &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":[54],"tags":[],"class_list":["post-215","post","type-post","status-publish","format-standard","hentry","category-vektor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hasil kali campuran tiga vektor (atau hasil kali tiga titik) - Mathority<\/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\/id\/contoh-hasil-kali-campuran-tiga-vektor-atau-hasil-kali-skalar-rangkap-tiga\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hasil kali campuran tiga vektor (atau hasil kali tiga titik) - Mathority\" \/>\n<meta property=\"og:description\" content=\"Di halaman ini kami menjelaskan apa itu perkalian campuran tiga vektor (atau perkalian titik tiga) dan cara menghitungnya. 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Anda juga akan melihat contoh, latihan, dan penyelesaian masalah pada jenis operasi antar vektor ini. Dan, sebagai tambahan, Anda akan menemukan sifat dan kegunaan produk campuran. Berapakah hasil kali campuran tiga buah vektor? 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