Two vectors a and b are such that |a+b|=|a-b|. the angle between thr vectors a and b is: -

HERE IS YOUR ANSWER :-

OPTION (C) IS CORRECT

Explanation:

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Explanation:

Let the angle between two vectors AandB be θ

So

|A+B|2=|A|2+|B|2+2|A||B|cosθ

Again

|A−B|2=|A|2+|B|2+2|A||B|cos(180−θ)

By the given condition

|A+B|=|A−B|

So

cosθ=cos(180−θ)

⇒θ=180−θ

⇒θ=90∘

answer:

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