Update...

Update 12.temporary_ins/90.electromagnetism-in-vacuum/10.maxwell-equations/20.overview/cheatsheet.fr.md

12.temporary_ins/90.electromagnetism-in-vacuum/10.maxwell-equations/20.overview/cheatsheet.fr.md

@@ -132,11 +132,11 @@ $`\left.\begin{array}{l}
 ------------------
 
 $`\left.\begin{array}{l}
-\overrightarrow{E}=E_{\rho}(\rho)\,\overrightarrow{e_{\rho}}=E\,\overrightarrow{e_{\rho}} \\
-2\pi \rho_M\, h\,E= \dfrac{\pi\,\rho_M^2\,h\, \dens^{3D}_0}{\epsilon_0}
+\cdot\cdot\cdot \\
+\cdot\cdot\cdot
 \end{array}\right\}
 \Longrightarrow`$
-**$`\mathbf{\overrightarrow{E}=\dfrac{\rho_M\,\dens^{3D}_0}{2\,\epsilon_0}\,\overrightarrow{e_{\rho}}}`$**
+**$`\mathbf{\cdot\cdot\cdot}`$**
 
 * *Maxwell-flux* :