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Tan^(-1)(1/3)+Tan^(-1)(2/9)+Tan^(-1)(4/3...

`Tan^(-1)(1/3)+Tan^(-1)(2/9)+Tan^(-1)(4/33)+…… infty`

A

`(pi)/4`

B

`(pi)/2`

C

`pi`

D

`2pi`

Text Solution

Verified by Experts

The correct Answer is:
A
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