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An ellipse with eccentricity e=(1)/(2) h...

An ellipse with eccentricity `e=(1)/(2)` has a focus at `(0,0)` and the corresponding directrix `x+6=0` . The equation of the ellipse is

A

`3 x^(2)+5 y^(2)+12 x-36=0`

B

`3 x^(2)+4 y^(2)-12 x+36=0`

C

`3 x^(2)+4 y^(2)-12 x-36=0`

D

none of these

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The correct Answer is:
C
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HIMALAYA PUBLICATION-ELLIPSE-QUESTION BANK
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