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If b\ a n d\ c are lengths of the segmen...

If `b\ a n d\ c` are lengths of the segments of any focal chord of the parabola `y^2=4a x ,` then write the length of its latus rectum.

A

`(bc)/(b+c)`

B

`(2bc)/(b+c)`

C

`(b+c)/(2)`

D

`sqrt(bc)`

Text Solution

Verified by Experts

The correct Answer is:
B
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