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If vec a and vec b are unit vectors, th...

If `vec a` and `vec b` are unit vectors, then angle between `vec a` and `vec b` for `sqrt(3)vec a - vec b` to be unit vector is

A

`45^(@)`

B

`30^(@)`

C

`90^(@)`

D

`60^(@)`

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The correct Answer is:
B
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