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+\input preamble.tex
+
+% ---------------------------------------------------------------------------
+\begin{document}
+\begin{center}
+{\Huge\bf{Quadratic}}
+\bigskip
+
+\begin{lapdf}(16,8)(-8,-4)
+ \Blue
+ \Quadratic(-8,0)
+ (-4,+8)(+0,0)
+ (+4,-8)(+8,0)
+ (+4,+8)(+0,0)
+ (-4,-8)(-8,0) \Stroke
+ \Point(1)(-8,0)
+ \Point(1)(+0,0)
+ \Point(1)(+8,0)
+\end{lapdf}
+
+\em{4 quadratic Bezier curves}
+\end{center}
+\bigskip
+
+\begin{center}
+{\Huge\bf{Cubic}}
+\bigskip
+
+\begin{lapdf}(16,6)(-8,-3)
+ \Red
+ \Cubic(-8,0)
+ (-5,-8)(-3,8)(+0,0)
+ (+3,-8)(+5,8)(+8,0)
+ (+5,-8)(+3,8)(+0,0)
+ (-3,-8)(-5,8)(-8,0) \Stroke
+ \Point(1)(-8,0)
+ \Point(1)(+0,0)
+ \Point(1)(+8,0)
+\end{lapdf}
+
+\em{4 cubic Bezier curves}
+\end{center}
+\end{document}