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A unit vector parallel to the intersecti...

A unit vector parallel to the intersection of the planes `vecr(hati -hatj +hatk)=5 and vecr*(2hati +hatj-3hatk)=4` is

A

`(2hati+5hatj -3hatk)/(sqrt(38))`

B

`(2hati-5hatj +3hatk)/(sqrt(38))`

C

`(-2hati -5hatj -3hatk)/(sqrt(38))`

D

`(-2hati +5hatj -3hatk)/(sqrt(38))`

Text Solution

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The correct Answer is:
C
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