See Art. 163. J3 r_ 10.5. 17. Use Art. 223 to form the equations to ba#39; aa aa#39;-b a#39; CD and PF. The equation to the locus is a, +-aa#39;, = ... rectum , - draw a tangent at the extremity of the latus rectum by Art. 214, Cor. ; this gives the directrix, Examples IX.

Title | : | Conic Sections and Algebric Geometry |

Author | : | G. Hale Puckle |

Publisher | : | - 1884 |

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