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
- [JEE MAIN 2015]
- A
$\frac{{2\sqrt 2 - 1}}{2}$
- B
$\sqrt 2 - 1$
- C
$\frac{1}{2}$
- D
$\frac{{\sqrt 2 - 1}}{2}$
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