If for two vectors A⃗ and B⃗, sum (A⃗+B⃗) is perpendicular to the difference (A⃗-B⃗). The ratio o...

If for two vectors A⃗ and B⃗, sum (A⃗+B⃗) is perpendicular to the difference (A⃗-B⃗). The ratio of their magnitude is
[CBSE PMT 2003; Similar CPMT 2006]
(a) 1
(b) 2
(c) 3
(d) None of these

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