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In a triangle ABC, (s-a)/11=(s-b)/12=(s-...

In a triangle ABC, `(s-a)/11=(s-b)/12=(s-c)/13`, then `tan^2 (A//2)=`

A

`143//432`

B

`13//33`

C

`11//39`

D

`12//37`

Text Solution

Verified by Experts

The correct Answer is:
B
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