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If cos^(-1) x + cos^(-1) y + cos^(-1) z ...

If `cos^(-1) x + cos^(-1) y + cos^(-1) z = 3pi ` , then

A

`x + y+ z - 3=0`

B

`x +y+ z + 3=0`

C

`x + 2y + 3z -5=0`

D

`x-y-z=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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