\input $HOME/tex_doc/format/myplain.tex \magnification 1100 %\bookstyle \titrestyle {\twentybf } \withoutexobody %\withoutexono \advance \vsize by 20mm \let \exo \Exo \date {8 avril 2004} \classe {1 gm$_{\scriptscriptstyle 2}$} \titre {\twentybf Corrigé du devoir surveillé n\raise 5pt \hbox {\tenbf o} 8} \def \datapath {% $HOME/tex_doc/lycee/database/1ere/sti/geometry/baryc/} \input \datapath pbm_001.tex \def \datapath {% $HOME/tex_doc/lycee/database/1ere/sti/analyse/fonction/} \input \datapath fct_014.tex \def \datapath {% $HOME/tex_doc/lycee/database/1ere/sti/geometry/baryc/} \input \datapath exo_009.tex \end