Mathematics · 2015
JEE Main · 11 April 2015, Shift 1 · Q81
If the distance between the foci of an ellipse is half the length of its latus rectum, then the eccentricity of the ellipse is:
If the distance between the foci of an ellipse is half the length of its latus rectum, then the eccentricity of the ellipse is :
Official answer
(3)
$\displaystyle \sqrt{2}-1$
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JEE Main 2015 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.