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If alpha and beta are two nonzero and di...

If `alpha` and `beta` are two nonzero and different vectors such that `|vec alpha + vec beta| = |vec beta - vec alpha|` then the angle between the vectors `vec alpha` and `vec beta` is

A

`pi/3`

B

`pi/4`

C

`pi/2`

D

`pi/6`

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Verified by Experts

The correct Answer is:
C
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