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If veca and vecb are the two vectors suc...

If `veca` and `vecb` are the two vectors such that `|veca|=3sqrt3, |vecb|=4` and `|veca+vecb|=sqrt7`, then the angle between `veca` and `vecb` is

A

`120^@`

B

`60^@`

C

`30^@`

D

`150^@`

Text Solution

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The correct Answer is:
D
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