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\input{preamble-standalone.ltx}
\begin{document}
% Ex. No. 62 (Section 14.3 : Courbe exponentielle)
\begin{tikzpicture}[scale=1.25]
\tkzInit[xmin=-6,xmax=4,ymin=-5,ymax=6]
\tkzGrid
\tkzAxeXY
\tkzFct[color=red,thick,domain=-6:2.1785]{(-x*x+x+2)*exp(x)}
\tkzSetUpPoint[size=6]
\tkzDrawTangentLine[draw,kl=2](0)
\tkzDefPoint(2,0){b} \tkzDrawPoint(b)
\tkzDefPoint(-1,0){c} \tkzDrawPoint(c)
\tkzText(2,4){($\mathcal{C}$)}
\tkzText(-2,-3){($\mathcal{T}$)}
\end{tikzpicture}
\end{document}
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