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diff --git a/obsolete/macros/latex/contrib/tkz/tkz-fct/examples/latex/tkzFct-08-2-0.tex b/obsolete/macros/latex/contrib/tkz/tkz-fct/examples/latex/tkzFct-08-2-0.tex
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+++ b/obsolete/macros/latex/contrib/tkz/tkz-fct/examples/latex/tkzFct-08-2-0.tex
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+\input{preamble-standalone.ltx}
+\begin{document}
+
+% Ex. No. 27 (Section 8.2 : Naissance de la fonction logarithme népérien)
+
+\begin{tikzpicture}[scale=2]
+ \tkzInit[xmin=0,xmax=3,xstep=1,
+ ymin=-2,ymax=2,ystep=1]
+ \tkzGrid
+ \tkzAxeXY
+ \tkzFct[domain= 0.4:3]{1./x}
+ \tkzDefPointByFct(1)
+ \tkzGetPoint{A}
+ \tkzDefPointByFct(2)
+ \tkzGetPoint{B}
+ \tkzLabelPoints[above right](A,B)
+ \tkzDrawArea[color=blue!30,
+ domain = 1:2]
+ \tkzFct[domain = 0.5:3]{log(x)}
+ \tkzDrawArea[color=red!30,
+ domain = 1:2]
+ \tkzPointShowCoord(A)
+ \tkzPointShowCoord(B)
+ \tkzDrawPoints(A,B)
+\end{tikzpicture}
+
+\end{document}