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If bara.barb=-|vec(a)||vecb|, then the a...

If `bara.barb=-|vec(a)||vecb|`, then the angle between `bara` and `barb` is

A

`30^@`

B

`0^@`

C

`90^@`

D

`60^@`

Text Solution

Verified by Experts

The correct Answer is:
D
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