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If vecA=2hati+3hatj+6hatk and vecB=3hati...

If `vecA=2hati+3hatj+6hatk` and `vecB=3hati-6hatj+2hatk` then vector perpendicular to both `vecA` and `vecB` has magnitude K times that of `6hati+2hatj-3hatk`. Then `K=`

A

`1`

B

`3`

C

`7`

D

`9`

Text Solution

Verified by Experts

The correct Answer is:
C
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