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सिद्ध कीजिए कि cot^(-1)((ab+1)/(a-b)...

सिद्ध कीजिए कि
`cot^(-1)((ab+1)/(a-b))+cot^(-1)((bc+1)/(b-c))+cot^(-1)((ca+1)/(c-a))=0`

A

0

B

1

C

`(pi)/(4)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
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