Retour

Source de II-c-d.tex

Fichier TeX
$$\vcenter {\offinterlineskip
    \def \cc#1{ \hfil #1 \hfil }
    \halign {
    \tvg \cc {$#$}& #\tv & \cc {$#$} & \cc {$#$}& \cc {$#$}&
\cc {$#$}& \cc {$#$}& \cc {$#$}&#\tv
    \cr
    \noalign {\hrule}
        x&& 0&&& 2&& +\infty&
    \cr
    \noalign {\hrule}
    f'(x)&& \doublevrule && +& 0& -&&
    \cr
    \noalign {\hrule}
    \buuucenter {$f(x)$} && \doublevrule &\down{1} &\bbrightuuparrow & 
    \bbuup {$e^3$}&\bbrightddownarrow &\down {$-2$}&
    \cr
    \noalign {\hrule}
    }}
$$