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[" 9.Let "F(1),F(2)" be two foci of the ...

[" 9.Let "F_(1),F_(2)" be two foci of the ellipse and "pT" and "PN" be the tangent and the normal respeet "],[" ellipse at point "P" .Then "],[" a) "PN" bisects "/_F_(1)PF_(2)],[" b) "PT" bisects angle "(180^(@)-/_F_(1)PF_(2))]

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