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The unit vectors perpendicular to vecA=2...

The unit vectors perpendicular to `vecA=2hati+3hatj+hatk` and `vecB=hati-hatj+hatk` is

A

`(4hati-hatj-5hatk)/sqrt(42)`

B

`(4hati-hatj+5hatk)/sqrt(42)`

C

`(4hati+hatj+5hatk)/sqrt(42)`

D

`(4hati+hatj-5hatk)/sqrt(42)`

Text Solution

Verified by Experts

The correct Answer is:
A
`hatn=(vecAxxvecB)/(|vecAxxvecB|)~
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