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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

@@ -117,8 +117,7 @@ $`\left.\begin{array}{l}
 2\pi \rho_M\, h\,E= \dfrac{\pi\,\rho_M^2\,h\, \dens^{3D}_0}{\epsilon_0}
 \end{array}\right\}
 \Longrightarrow`$
-**$`\mathbf{$`\Phi_E = \displaystyle \oiint_{S\leftrightarrow\tau} \overrightarrow{E}\cdot\overrightarrow{dS}
-= \dfrac{1}{\epsilon_0} \cdot \iiint_{\tau} \rho \cdot d\tau = \dfrac{Q_{int}}{\epsilon_0}}`$**
+**$`\mathbf{$`\Phi_E = \displaystyle \oiint_{S\leftrightarrow\tau\overrightarrow{E}\cdot\overrightarrow{dS}= \dfrac{1}{\epsilon_0} \cdot \iiint_{\tau} \rho \cdot d\tau = \dfrac{Q_{int}{\epsilon_0}}`$**
 
 $`\left.\begin{array}{l}
 \overrightarrow{E}=E_{\rho}(\rho)\,\overrightarrow{e_{\rho}}=E\,\overrightarrow{e_{\rho}} \\