Commit efe83025 authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 54515d38
Pipeline #14628 canceled with stage
...@@ -87,10 +87,13 @@ RÉSUMÉ<br> ...@@ -87,10 +87,13 @@ RÉSUMÉ<br>
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&\Longrightarrow\quad\int_{N(t_1)}^{N(t_2)}\dfrac{dN}{N}=\int_{t_1}^{t_2} r\,dt\\ &\Longrightarrow\quad\int_{N(t_1)}^{N(t_2)}\dfrac{dN}{N}=\int_{t_1}^{t_2} r\,dt\\
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&\Longrightarrow\quad\big[\,ln\,|N|\,\big]_{N(t_1)}^{N(t_2)}= r \,\big[\,t\,\big]_{t_1}^{t_2}\\ &\Longrightarrow\quad\big[\,ln\,|N|\,\big]_{N(t_1)}^{N(t_2)}= r \,\big[\,t\,\big]_{t_1}^{t_2}
\end{align}`$
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&\Longrightarrow\quad(ln\,|\underbrace{N(t_2)}_{\begin{array}{c}N>0\\ \Rightarrow|N|=N}\end{array}}-\,ln\,|N(t_1)| = r\,(t_2 - t_1) &\Longrightarrow\quad(ln\,|\underbrace{N(t_2)}_{\begin{array}{c}N>0\\ \Rightarrow|N|=N}\end{array}}-\,ln\,|N(t_1)| = r\,(t_2 - t_1)
\end{align}`$
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