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If tanalpha=(m)/(m+1)andtan beta=(1)/(2m...

If `tanalpha=(m)/(m+1)andtan beta=(1)/(2m+1)`, then `(alpha+beta)=?`

A

`(pi)/(6)`

B

`pi/4`

C

`pi/3`

D

`pi/5`

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The correct Answer is:
A
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