Function Expression :
\[f(x)=x+1+\frac{2}{x^2} \]Domain
\[\left]-\infty, 0\right[ \cup \left]0, \infty\right[ \]Limits
\[\lim_{x \rightarrow-\infty}f(x) = -\infty \]\[\lim_{x \overset{<}{\rightarrow0} }f(x) = +\infty \]
\[\lim_{x \overset{>}{\rightarrow0} }f(x) = +\infty \]
\[\lim_{x \rightarrow+\infty}f(x) = +\infty \]
\[ \]
Derivate
\[f^{\,\prime}(x)=1 - \frac{4}{x^{3}} \]\[f^{\,\prime}(x)=\frac{x^{3} - 4}{x^{3}} \]
Integral
\[F(x) = \frac{x^{2}}{2} + x - \frac{2}{x} \]Sign Table
Variation Table
Plot
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