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LL^(1) is the latus rectum of an ellipse...

`LL^(1)` is the latus rectum of an ellipse and `triangleS^(1)LL^(1)` is an equilateral triangle. Then e =

A

`(1)/sqrt(2)`

B

`(1)/sqrt(3)`

C

`(1)/sqrt(5)`

D

`sqrt(2/3)`

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The correct Answer is:
B
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