\begin{cminipage}[fond3] \begin{center}$ (1+x^2)^{\frac1x} = {1 + x + {{1}\over{2}}x^{2} - {{1}\over{3}}x^{3}+ O(x^{4})} $\end{center} \end{cminipage} \begin{center}\includegraphics[scale=0.75]{dl09.ps}\end{center}