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If veca + vecb + vecc = 0, abs(vec a) = ...

If `veca + vecb + vecc = 0, abs(vec a) = 3, abs(vecb) = 5, abs(vecc) = 7`, then the angle between `veca and vecb` is

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
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