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A unit vector perpendicular to both hati...

A unit vector perpendicular to both `hati+hatj+hatk` and `2hati+hatj+3hatk` is

A

`(2hati-hatj-hatk)sqrt6`

B

`(2hati-hatj-hatk)/sqrt6`

C

`2hati+hatj+hatk`

D

`(3hati+hatj-2hatk)/sqrt6`

Text Solution

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The correct Answer is:
B
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