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If |overline(a)|=3,|overline(b)|=4 and ...

If `|overline(a)|=3,|overline(b)|=4 ` and the angle between `overline(a) and overline (b)` is `120^@`, then `|4overline(a)+3overline(b)|` is equal to

A

25

B

7

C

13

D

12

Text Solution

Verified by Experts

The correct Answer is:
D
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