%@P:tableau {\setlength{\TabTitreL}{1cm} \begin{MonTableau}{1}{6}{1} \TabNewCol{0} \rTabPut{B}{-.5}{.25}{$x$} \rTabPut{B}{-.5}{.25}{\TabTitre{Var.}{g}} \TabNewCol{0} \rTabPut{B}{.40}{.25}{$-\infty$} \rTabPut{B}{.40}{.75}{$+\infty$} \TabNewCol{.50} \rTabPut{B}{0}{.25}{$1$} \rTabPut{B}{0}{.10}{$\sqrt{2}$} \TabNewCol{1} \rTabPut{B}{-.40}{.25}{$+\infty$} \rTabPut{B}{-.40}{.75}{$+\infty$} \TabFleche{B1}{C1}\TabFleche{C1}{D1} %\TabFerme \end{MonTableau}}