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2"tan"^(-1)1/5+"tan"^(-1)1/7+2"tan"^(-1)...

`2"tan"^(-1)1/5+"tan"^(-1)1/7+2"tan"^(-1)1/8=`

A

`3/5`

B

`5/3`

C

`4/5`

D

`sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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