Commit f13599b4 authored by Claude Meny's avatar Claude Meny

Update textbook.fr.md

parent d2e9023d
Pipeline #17699 canceled with stage
......@@ -92,17 +92,17 @@ Ecriture générale de la position d'un point $`M`$ quelconque :
<br>
$`\overrightarrow{OM}=\overrightarrow{OO'}+\overrightarrow{O'M}`$
<br>
$`\quad\;\, =\overrightarrow{OO'}+\alpha_{1M}\,\overrightarrow{e_{\alpha_{1}}}_M
+\alpha_{2M}\,\overrightarrow{e_{\alpha_{2}}}_M
+\alpha_{3M}\,\overrightarrow{e_{\alpha_{3}}}_M `$
$`\quad\;\, =\overrightarrow{OO'}+\alpha_{1M}\cdot\overrightarrow{e_{\alpha_{1}}}_M
+\alpha_{2M}\cdot\overrightarrow{e_{\alpha_{2}}}_M
+\alpha_{3M}\cdot\overrightarrow{e_{\alpha_{3}}}_M `$
<br>
$`\quad\;\, =\overrightarrow{OO'}+\sum_{i=1}^3 \alpha_{iM}\,\overrightarrow{e_{\alpha_{i}}}_M`$
$`\displaystyle\quad\;\, =\overrightarrow{OO'}+\sum_{i=1}^3 \alpha_{iM}\cdot\overrightarrow{e_{\alpha_{i}}}_M`$
Ecriture générale de son vecteur vitesse $`\overrightarrow{v_M}`$
<br>
$`\overrightarrow{v_M}=\dpt{\overrightarrow{OM}}=\dpt{\overrightarrow{OO'}}+\dpt{\overrightarrow{O'M}}`$
<br>
$`\quad\; =\dpt{\overrightarrow{OO'}}
$`\displaystyle\quad\; =\dpt{\overrightarrow{OO'}}
+\sum_{i=1}^3 \dpt{\alpha_{iM}}\cdot\overrightarrow{e_{\alpha_{i}}}_M+\alpha_{iM}\cdot\dpt{\overrightarrow{e_{\alpha_{i}}}}_M`$
Ecriture générale de son vecteur accélération $`\overrightarrow{a_M}`$
......
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