The Inverse Curve for a Parabola given by

(1) | |||

(2) |

with Inversion Center and Inversion Radius is

(3) | |||

(4) |

For
at the Focus, the Inverse Curve is the Cardioid

(5) | |||

(6) |

For
at the Vertex, the Inverse Curve is the Cissoid of Diocles

(7) | |||

(8) |

© 1996-9

1999-05-26