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The eccentricity of the ellipse $x^2+4y^2+2x+16y+13=0$ is
\[\begin {array} {1 1} (a)\;\frac{\sqrt 3}{2} & \quad (b)\;\frac{1}{2} \\ (c)\;\frac{1}{\sqrt 3} & \quad (d)\;\frac{1}{\sqrt 2} \end {array}\]
jeemain
eamcet
math
2011
q74
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Sep 23, 2013
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meena.p
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$(a)\;\frac{\sqrt 3}{2}$
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Nov 7, 2013
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pady_1
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