Links Curve

$\begin{figure}\begin{center}\BoxedEPSF{LinksCurve.epsf scaled 700}\end{center}\end{figure}$

The curve given by the Cartesian equation

$\begin{displaymath} (x^2+y^2-3x)^2=4x^2(2-x). \end{displaymath}$

The origin of the curve is a Tacnode.

References

Cundy, H. and Rollett, A. Mathematical Models, 3rd ed. Stradbroke, England: Tarquin Pub., p. 72, 1989.