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 9847647bd..dccd44038 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 @@ -713,12 +713,13 @@ $`=\dfrac{\overrightarrow{OM}(t+dt)-\overrightarrow{OM}(t)}{dt}`$
-* $`d\left(\overrightarrow{OM}\right)(t)=d\left(A(t)\cdot\overrightarrow{e_x}\right) +* Asi / ainsi / thus :
+$`d\left(\overrightarrow{OM}\right)(t)=d\left(A(t)\cdot\overrightarrow{e_x}\right) +d\left(B(t)\cdot\overrightarrow{e_y}\right)`$ $`=d\left(A(t)\right)\cdot\overrightarrow{e_x} +d\left(B(t)\right)\cdot\overrightarrow{e_y}`$ -$`+A(t)\cdot d\overrightarrow{e_x} + B(t)\cdot d\overrightarrow{e_y}`$ - +$`+A(t)\cdot d\overrightarrow{e_x} + B(t)\cdot d\overrightarrow{e_y}`$
+se convertiría en / deviendrait / would become :
$`d\overrightarrow{OM}(t)=d\left[A(t)\cdot\overrightarrow{e_x}+B(t)\cdot\overrightarrow{e_y}\right]`$ $`=d\left[A(t)\cdot\overrightarrow{e_x}\right]+d\left[B(t)\cdot\overrightarrow{e_y}\right]`$ $`=dA(t)\cdot\overrightarrow{e_x}+A(t)\cdot d\overrightarrow{e_x}