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| Bisector of Foci Angle (Posted on 2015-08-05) |
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Let A and B be points on an ellipse Γ such that
the line AB does not pass through the center of Γ.
Let C be the intersection of the tangent line to Γ
at point A with the tangent line to Γ at point B.
Prove that line CF bisects ∠AFB ( where F is
either one of the foci of Γ ).
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