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A vector vecF(1) is along the positive X...

A vector `vecF_(1)` is along the positive `X`-axis. If its vectors product with another vector `vecF_(2)` is zero then `vecF_(2)` could be

A

`4 hatj`

B

`-(hati+hatj)`

C

`(hati+hatk)`

D

`(-4hati)`

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The correct Answer is:
D
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