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A unit vector perpendicular to both the ...

A unit vector perpendicular to both the vectors `hati+hatjandhatj+hatk` is

A

`(hati-hatj+hatk)/sqrt3`

B

`(hati+hatj+hatk)/sqrt3`

C

`(hati+hatj-hatk)/sqrt3`

D

`(-hati-hatj+hatk)/sqrt3`

Text Solution

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The correct Answer is:
A
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