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The eccentricity of an ellipse whose pai...

The eccentricity of an ellipse whose pair of a conjugate diameter are `y=x` and `3y =-2x` is (A) `2/3` (B) `1/3` (C) `1/sqrt3` (D) none

A

`2/3`

B

`1/3`

C

`1/sqrt3`

D

none of the above

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