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If vector vec a+ vec b bisects the angl...

If vector ` vec a+ vec b` bisects the angle between ` vec a` and ` vec b` , then prove that `| vec a|` = `| vec b|` .

A

`abs(a)=2abs(b)`

B

`abs(a)+abs(b)^(2)=abs(a+b)^(2)`

C

`abs(a)=abs(b)`

D

`abs(a)-abs(b)=abs(a-b)`

Text Solution

Verified by Experts

The correct Answer is:
C
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