From 29717d8a6f32674c057dcbcc2954567453eee706 Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Thu, 20 Aug 2020 19:15:21 +0200 Subject: [PATCH] Update textbook.fr.md --- .../vector-analysis/textbook.fr.md | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/05.classical-mechanics/vector-analysis/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/05.classical-mechanics/vector-analysis/textbook.fr.md index fba6374bc..b17024811 100644 --- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/05.classical-mechanics/vector-analysis/textbook.fr.md +++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/05.classical-mechanics/vector-analysis/textbook.fr.md @@ -530,15 +530,8 @@ $`\quad=±,\begin{pmatrix}U_2 V_3 - U_3 V_2\\U_3 V_1 - U_1 V_3\\U_1 V_2 - U_2 V_ [EN] method similar to the sum used to obtain the determinant of a matrix :

$`\vec{U}\land\vec{V}=\begin{vmatrix} \overrightarrow{e_1}&\overrightarrow{e_2}&\overrightarrow{e_3}\\ U_1 & U_2 & U_3\\V_1 & V_2 & V_3\end{vmatrix}`$ -$`=U_1V_1\overrightarrow{e_3}+U_2V_3\overrightarrow{e_1}+U_2V_3\overrightarrow{e_1}`$ - - - - - - - - +$`=U_1V_1\overrightarrow{e_3}+U_2V_3\overrightarrow{e_1}+U_3V_1\overrightarrow{e_2}`$ +$`- U_1V_3\overrightarrow{e_2}-U_2V_1\overrightarrow{e_3}-U_3V_2\overrightarrow{e_1}`$