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asked ago in Mathematics by (36.4k points)

If a = 3, b = 4, c = 5 each one of (vector a, b and c) is perpendicular to the sum of the remaining then |vector a b c| is equal to

(1) 2/√5

(2) √5

(3) 5/√2

(4) 5√2

1 Answer

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answered ago by (37.3k points)
selected ago by
Best answer

Correct option (3) 5/√2


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