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If a,b,c, are positive then tan^(-1)sq...

If a,b,c, are positive then
`tan^(-1)sqrt((a(a+b+c))/(bc))+tan^(-1)sqrt((b(a+b+c))/(ca))+`
`tan^(-1)sqrt((c(a+b+c))/(ab))=`

A

0

B

`pi`

C

`pi//2`

D

`pi//4`

Text Solution

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The correct Answer is:
A
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