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If tan^-1x+tan^-1y+tan^-1z=pi/2,then...

If `tan^-1x+tan^-1y+tan^-1z=pi/2,`then

A

`x+y+z-xyz=0`

B

`x+y+z+xyz=0`

C

`xy+yz+zx+1=0`

D

`xy+yz+zx-1=0`

Text Solution

Verified by Experts

The correct Answer is:
D
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