La page de garde dans beamer

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%{
%\large Master Mathématiques Appliquées\\\vspace{2\baselineskip}Faculté x de l \normalsize \\
%Encadré par : T
%  }
%\date{27 juin 2016}
%\subject{Sujet de votre diaporama}

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\begin{document}
\begin{frame}
introduction
\end{frame}
\end{document}