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If the modulas of veca and vecb are equa...

If the modulas of `veca` and `vecb` are equal and angle between them is `120^(@)` and `veca.vecb =-8`, then `|veca|` is equal to

A

`-5`

B

`-4`

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
C
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