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Ellipse question

2004 · Shift 0 · Q84

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PYQ Library
JEE Main
Mathematics
Ellipse
2004 · Shift 0 · Q84

Ellipse question

2004 · Shift 0 · Q84

JEE MainMathematicsEllipseMCQ+4 / −1

The eccentricity of an ellipse, with its centre at the origin, is

{1 \over 2}

. If one of the directrices is

x=4

, then the equation of the ellipse is :

A
$4{x^2} + 3{y^2} = 1$
B
$3{x^2} + 4{y^2} = 12$
C
$4{x^2} + 3{y^2} = 12$
D
$3{x^2} + 4{y^2} = 1$

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