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Equation of the ellipse with eccentricit...

Equation of the ellipse with eccentricity `(1)/(2)` and foci at `(pm1,0)` is

A

`(x^(2))/(3)+(y^(2))/(4)=1`

B

`(x^(2))/(4)+(y^(2))/(3)=1`

C

`(x^(2))/(4)+(y^(2))/(3)=(4)/(3)`

D

none of these

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The correct Answer is:
B
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