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If xlt0,ylt0" such that "xy=1," then "ta...

If `xlt0,ylt0" such that "xy=1," then "tan^(-1)(x)+tan^(-1)(y)=..........`

A

`(pi)/(2)`

B

`(-pi)/(2)`

C

`-pi`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
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