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The eccentricity of an ellipse, with its...

The eccentricity of an ellipse, with its centre at origin is `(1)/(2)` then the equation of the ellipse is, if one of the directrices is x=4

A

`x+2y=4`

B

`2y-x=2`

C

`4x-2y=1`

D

`4x+2y=7`

Text Solution

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The correct Answer is:
C
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