Commit 109cea4a authored by Claude Meny's avatar Claude Meny

Update 12.temporary_ins/06.geometry-coordinates-old/40.n4/20.overview/cheatsheet.fr.md

parent 5f4015f5
Pipeline #20913 canceled with stage
......@@ -108,9 +108,9 @@ La cristallographie travaille avec l'espace euclidien 3D de la physique classiqu
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les produits mixtes
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$`\quad\dfrac{\overrightarrow{b}\land\overrightarrow{c}}{\overrightarrow{a}\cdot(\overrightarrow{b}\land\overrightarrow{c})}`$
$`=\dfrac{\overrightarrow{c}\land\overrightarrow{a}}{\overrightarrow{b}\cdot(\overrightarrow{c}\land\overrightarrow{a})}`$
$`=\dfrac{\overrightarrow{a}\land\overrightarrow{b}}{\overrightarrow{c}\cdot(\overrightarrow{a}\land\overrightarrow{b})}=V`$
$`\quad\overrightarrow{a}\cdot(\overrightarrow{b}\land\overrightarrow{c})`$
$`=\overrightarrow{b}\cdot(\overrightarrow{c}\land\overrightarrow{a})`$
$`=overrightarrow{c}\cdot(\overrightarrow{a}\land\overrightarrow{b})=V`$
.
faisant apparaître le volume $`V`$ de la maille cristalline.
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