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%%
%% Ein Beispiel der DANTE-Edition
%%
%%
%% Copyright (C) 2008 Herbert Voss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
% Show page(s) 1
%%
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{214.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-func}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture*}(-3,-3.2)(3.5,3.5)
\psaxes{->}(0,0)(-3,-3)(3.2,3)
\psplotImp[linewidth=2pt,
linecolor=green](-6,-6)(4,2.4){
x 3 exp y 3 exp add
4 x y mul mul sub }
\uput*[45](-2.5,2){%
$\left(x^3+y^3\right)-4xy=0$}
\end{pspicture*}
\end{document}
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