From 95dcd2d29fb5d3a01ce423bb0c42bd20a8a5fd58 Mon Sep 17 00:00:00 2001
From: Claude Meny <claude.meny@irap.omp.eu>
Date: Thu, 19 Mar 2020 18:51:30 +0100
Subject: [PATCH] Update textbook.fr.md

---
 .../02.electromagnetic-waves-vacuum-main/textbook.fr.md    | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md
index 33e5e1817..ae2c7cbee 100644
--- a/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md
+++ b/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md
@@ -222,11 +222,10 @@ Jean & 12,3 & Admis\\
 
 Onde EM plane progressive :<br>
 $`\Longleftrightarrow 
-\left \{
+\left \|
    \begin{array}{r c l}
-      AB  & = & 192 \\
-      C   & = & 5\,896 \\
-      DEF & = & 0,5
+      \overrightarrow{E}(\overrightarrow{r},t)=\overrightarrow{E}(\overrightarrow{u}\cdot\overrightarrow{r}-ct) \\
+      \overrightarrow{B}(\overrightarrow{r},t)=\overrightarrow{B}(\overrightarrow{u}\cdot\overrightarrow{r}-ct) \\
    \end{array}
    \right .`$