Commit 98b564af authored by Claude Meny's avatar Claude Meny

Update textbook.fr.md

parent 1de89368
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...@@ -324,7 +324,7 @@ Dérivée temporelle de la quantité de mouvement totale du système isolé : ...@@ -324,7 +324,7 @@ Dérivée temporelle de la quantité de mouvement totale du système isolé :
$`\displaystyle\begin{align} $`\displaystyle\begin{align}
\dfrac{d\overrightarrow{p}_{sys.iso}}{dt}&=\dfrac{\sum_{i=1}^N \sum_{j=1}^N \overrightarrow{p}_{i\rightarrow j}}{dt}\\ \dfrac{d\overrightarrow{p}_{sys.iso}}{dt}&=\dfrac{d\big(\sum_{i=1}^N \sum_{j=1}^N \overrightarrow{p}_{i\rightarrow j}\big)}{dt}\\
\\ \\
&=\sum_{i=1}^N \sum_{j=1}^N \dfrac{d\overrightarrow{p}_{i\rightarrow j}}{dt}\\ &=\sum_{i=1}^N \sum_{j=1}^N \dfrac{d\overrightarrow{p}_{i\rightarrow j}}{dt}\\
\\ \\
......
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