EllipseMedium
Question
If F1 and F2 are the feet of the perpendiculars from the foci S1 & S2 of an ellipse 
= 1on the tangent at any point P on the ellipse, then (S1 F1). (S2 F2) is equal to-
= 1on the tangent at any point P on the ellipse, then (S1 F1). (S2 F2) is equal to- Options
A.2
B.3
C.4
D.5
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