﻿ If the foci of the ellipse  and the hyperbola  conincide, then the value of b2 is : Kaysons Education

# If The Foci Of The Ellipse  and The Hyperbola  conincide, Then The Value Of b2 is

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## Question

### Solution

Correct option is

7

For hyperbola

Hence the foci are , i.e.

Now the foci coincide therefore for ellipse

ae = 3  or   a2e2 = 9

or

or a2 – b2 = 9   or 16 – 9 = b2   .

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