Function Expression :
\[f(x)=x-\frac{2x}{1+e^x} \]Domain
\[]-\infty ;+\infty [ \]Limits
\[ \]Derivate
\[ \]Integral
\[F(x) = \int \frac{x \left(e^{x} - 1\right)}{e^{x} + 1}\, dx \]Sign Table
Variation Table
Plot
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