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If tan^(-1)x+tan^(-1)y+tan^(-1)z=pi then...

If `tan^(-1)x+tan^(-1)y+tan^(-1)z=pi` then `x+y+z=`

A

`1-xyz`

B

`-1-xyz`

C

`1+xyz`

D

`-1+xyz`

Text Solution

Verified by Experts

The correct Answer is:
C
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