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The angle between hati line of the inter...

The angle between `hati` line of the intersection of the plane `vecr.(hati+2hatj+3hatk)=0andvecr.(3hati+3hatj+hatk)=0` is

A

`cos^(-1)((7)/(sqrt122))`

B

`cos^(-1)((6)/(sqrt122))`

C

`cos^(-1)((8)/(sqrt122))`

D

`cos^(-1)((3)/(sqrt122))`

Text Solution

Verified by Experts

The correct Answer is:
A
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