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If veca and vec b are unit vectors, then...

If `veca and vec b` are unit vectors, then what is the angle between `veca and vecb` for `sqrt3 veva - vecb` to be a unit vectors ?

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

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The correct Answer is:
A
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