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If Cos^(-1)lamda+Cos^(-1)mu+Cos^(-1)V=3p...

If `Cos^(-1)lamda+Cos^(-1)mu+Cos^(-1)V=3pi` then `lamda mu+muV+Vlamda=`

A

1)`3`

B

2)`0`

C

3)`3//4`

D

4)`-3`

Text Solution

Verified by Experts

The correct Answer is:
A
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