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If |vec(A)+vec(B)|=|vec(A)-vec(B)|, then...

If `|vec(A)+vec(B)|=|vec(A)-vec(B)|`, then find the angle between `vec(A)` and `vec(B)`

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To solve the problem, we start with the given condition: \[ |\vec{A} + \vec{B}| = |\vec{A} - \vec{B}| \] ### Step 1: Write the expressions for the magnitudes ...
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