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A unit vector parallel to the intersecti...

A unit vector parallel to the intersection of planes `vecr.( hati- hatj + hat k)=5 and vec r .(2 hati+ hatj-3 hatk)=4` is ___

A

`(2 hati+5 hatj-3 hatk )/(sqrt38)`

B

`(2 hati-5 hatj+3 hatk )/(sqrt38)`

C

`(2 hati+5 hatj+3 hatk )/(sqrt38)`

D

`(-2 hati+5 hatj-3 hatk )/(sqrt38)`

Text Solution

Verified by Experts

The correct Answer is:
C
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