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Find the sum series: tan^-1 (1/3)+tan^-1...

Find the sum series: `tan^-1 (1/3)+tan^-1 (1/7)+tan^-1(1/13)+…to oo`

A

`(pi)/(4)`

B

`(pi)/(2)`

C

`(pi)/(3)`

D

`(pi)/(6)`

Text Solution

Verified by Experts

The correct Answer is:
A
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