Question

the sum of two vectors A and B is at right angles to their difference then what is relation between A and B?
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Answer 1

Explanation:

( A + B ).( A − B )=0

=> A . A + A . B − A . B − B . B =0

=> A . A = B . B

=>a=b if a,b are magnitudes

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Answer 2

Answer:

I think the answer is 1

Explanation:

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