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If p gt q gt r gt 0 then sum Cot^(-1)((p...

If `p gt q gt r gt 0` then `sum Cot^(-1)((pq+1)/(p-q))=`

A

0

B

`pi`

C

`2pi`

D

`(pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-REVISION EXERCISE-INVERSE TRIGONOMETRIC FUNCTIONS
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  14. If p gt q gt r gt 0 then sum Cot^(-1)((pq+1)/(p-q))=

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  15. If 0 le x le1 and theta=Sin^(-1) x +Cos^(-1) x-Tan^(-1)x then

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