\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){$+$}
\end{MonTableau}