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S and T are foci of an ellipse and B...

S and T are foci of an ellipse and B is an end of the minor axis , if STB is an equilateral triangle , the eccentricity of the ellipse , is

A

`(1)/(4)`

B

`(1)/(3)`

C

`(1)/(2)`

D

`(2)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
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