![tab3cdc tab3cdc](http://wordpress.callac.online/wp-content/uploads/2006/10/jpg_tab3cdc-3.jpg)
Voici son code :
\begin{center} \begin{variations} x &\mI& & 0 & & 4 & &\pI \\ \filet f'(x) & & + & 0 & - & 0 & + & \\ \filet \m{f(x)}&\mI&\c &\h{5}&\d &-3 &\c &\h{\pI}\\ \end{variations} \end{center}
![tab3dcd tab3dcd](http://wordpress.callac.online/wp-content/uploads/2006/10/jpg_tab3dcd-3.jpg)
Voici son code :
\begin{center} \begin{variations} x &\mI & & 0 & & 4 & &\pI\\ \filet f'(x) & & - & 0 & + & 0 & - & \\ \filet \m{f(x)}&\h{\pI}&\d &-3 &\c &\h{5}&\d &\mI\\ \end{variations} \end{center}