﻿ If p and p’ denote the lengths of the perpendicular from a focus and the centre of an ellipse with semi-major axis of length a, respectively, on a tangent to the ellipse and r denotes the focal distance of the point, then      : Kaysons Education

# If p and p’ Denote The Lengths Of The Perpendicular From A Focus And The Centre Of An Ellipse With Semi-major Axis Of Length a, Respectively, On A Tangent To The Ellipse And r denotes The Focal Distance Of The Point, Then

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## Question

### Solution

Correct option is

Let the ellipse be  and, let

p = Length of the perpendicular from S(ae, 0) on (i)

p' = Length of the perpendicular from O(0, 0) on (i)

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