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The value of sum(m=1)^ootan^(- 1)((2m)/...

The value of `sum_(m=1)^ootan^(- 1)((2m)/(m^4+m^2+2))` is

A

`pi/4`

B

`pi/2`

C

`(3pi)/4`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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