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The line x =2 y intersects the ellipse ...

The line x =2 y intersects the ellipse `(x^(2))/(4) +y^(2) = 1 ` at the points P and Q . The equation of the circle with pq as diameter is _

A

`x^(2) + y^(2) = (1)/(2)`

B

`x^(2) + y^(2) = 1 `

C

`x^(2) + y^(2) = 2 `

D

`x^(2) + y^(2) = (5)/(2)`

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The correct Answer is:
D
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CHHAYA PUBLICATION-COORDINATE GEOMETRY-WBJEE Archive (2012)
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