%@P:tableau {\setlength{\TabTitreL}{1cm} \begin{MonTableau}{1}{5}{1} \TabNewCol{0} \rTabPut{B}{-0.5}{0.25}{$x$} \rTabPut{B}{-0.5}{0.25}{\TabTitre{var.}{g}} \TabNewCol{.05} \rTabPut{B}{0}{0.25}{$-1$} \rTabPut[3]{B}{0}{0.25}{} \TabNewCol{.05} \rTabPut{Bl}{.1}{0.25}{} \rTabPut{Bl}{.1}{0.7}{$+\infty$} \TabNewCol{0.4} \rTabPut{B}{0}{0.25}{$0$} \rTabPut{B}{0}{.1}{$0$} \TabNewCol{1} \rTabPut{Br}{-0.1}{0.25}{$+\infty$} \rTabPut{Br}{-0.1}{0.7}{$+\infty$} \TabFleche{C1}{D1}\TabFleche{D1}{E1} \end{MonTableau}}