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\input{preamble-standalone.ltx} \begin{document} % Ex. No. 66 (Section 14.7.1 : Tableau de variations) \begin{tikzpicture} \tkzTab% { $v$ /1,% $g'(v)$ /1,% $g(v)$ /3% }% { $b$ ,% $3b$ ,% $+\infty$% }% {0,$+$,$0$,$-$,t} {-/ $0$ /,% +/$\dfrac{8}{27b}$ /,% -/ $0$ /}% \end{tikzpicture} \end{document}