%@P:tableau \setlength{\TabTitreL}{1cm} \begin{MonTableau}{2}{6}{1.2} \TabNewCol{0} \rTabPut{B}{-.5}{.25}{$x$} \rTabPut{B}{-.5}{.25}{\TabTitre{Sgn.}{f'(x)}} \rTabPut{B}{-.5}{.25}{\TabTitre{Var.}{f}} \TabNewCol{0} \rTabPut{B}{.40}{.25}{$-\infty$} \rTabPut{B}{.40}{.10}{} \rTabPut{B}{.40}{.10}{$-\infty$} \TabNewCol{.25} \rTabPut{B}{0}{.25}{$-1$} \rTabPut[1]{B}{0}{.40}{\TabZ} \rTabPut{B}{0}{.55}{$0$} \TabNewCol{.50} \rTabPut{B}{0}{.25}{$-\frac{1}{5}$} \rTabPut[1]{B}{0}{.40}{\TabZ} \rTabPut{B}{0}{.30}{$-\frac{3456}{3125}$} \TabNewCol{.75} \rTabPut{B}{0}{.25}{$1$} \rTabPut[1]{B}{0}{.40}{\TabZ} \rTabPut{B}{0}{.55}{$0$} \TabNewCol{1} \rTabPut{B}{-.40}{.25}{$+\infty$} \rTabPut{B}{-.40}{.75}{} \rTabPut{B}{-.40}{.75}{$+\infty$} \TabFleche{B2}{C2}\TabFleche{C2}{D2} \TabFleche{D2}{E2}\TabFleche{E2}{F2} \rput(.125,.5){$+$} \rput(.375,.5){$-$} \rput(.625,.5){$+$} \rput(.875,.5){$+$} %\TabFerme \end{MonTableau}