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The tangent and normal to the ellipse x^...

The tangent and normal to the ellipse `x^2+4y^2=4` at a point `P(theta)` on it meets the major axis in Q and R respectively. If `0 < theta < pi/2` and `QR=2` then show that `theta=`

A

`3//4`

B

`-3//4`

C

`2//3`

D

`-2//3`

Text Solution

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The correct Answer is:
C, D
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