The-tangent-at-P-to-an-ellipse-meet-diretrix-at-Q-prove-that-the-line-joining-the-corresponding-focus-to-P-and-Q-are-perpendicular-

Question Number 43919 by peter frank last updated on 17/Sep/18

$${The}\:{tangent}\:{at}\:{P}\:{to}\:{an}\:{ellipse}\:{meet}\: \\ $$$${diretrix}\:{at}\:{Q}.{prove}\:{that}\:{the}\:{line}\:{joining} \\ $$$${the}\:{corresponding}\:{focus}\:{to}\:{P}\:{and}\:{Q}\:{are}\:{perpendicular} \\ $$

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