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If a tangent having slope 2 of the ellip...

If a tangent having slope 2 of the ellipse `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1` is normal to the circle `x^(2)+y^(2)+4x+1=0`, then the vlaue of `4a^(2)+b^(2)` is equal to

A

4

B

2

C

16

D

8

Text Solution

Verified by Experts

The correct Answer is:
C
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