If F1 and F2 be The Feet Of The Perpendicular From The Foci S1and S2 of An Ellipse  on The Tangent At Any Point P on The Ellipse, Then (S1F1)(S2F2) Is Equal To   

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Question

If F1 and F2 be the feet of the perpendicular from the foci S1and S2 of an ellipse  on the tangent at any point P on the ellipse, then (S1F1)(S2F2) is equal to   

Solution

Correct option is

3

 

We know that the product of perpendiculars from two foci of an ellipse upon any tangent is equal to the square of the semi-minor axis. 

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Testing

SIMILAR QUESTIONS

Q1

, then PF1 + PF2 equals

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Q6

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Q7

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Q8

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Q9

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Q10

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