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If angle between veca and vecb is pi/3, ...

If angle between `veca` and `vecb` is `pi/3`, then angle between `veca` and `-3vecb` is

A

`(pi)/(3)`

B

`(2pi)/(3)`

C

`(pi)/(6)`

D

`(5pi)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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