A class XII student appearing for a comp...

A class XII student appearing for a competitive examination was asked to attempt the following questions.
Let `vec(a),vec(b)` and `vec( c)` be theree non zero vectors.
If `vec(a)` and `vec(b)` are such that `|vec(a)+vec(b)|=|vec(a)-vec(b)|` then

A

`vec(a)botvec(b)`

B

`vec(a)||vec(b)`

C

`vec(a)=vec(b)`

D

None of these

Verified by Experts

The correct Answer is:

A

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