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A vector perpendicular to the vectors ha...

A vector perpendicular to the vectors `hati+hatj` and `hati+hatk` is ____

A

`hati-hatj-hatk`

B

`hatj-hatk+hati`

C

`hatk-hatj-hati`

D

`hatj+hatk+hati`

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The correct Answer is:
A
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