3. Determine which of the pairs of vectors are orthogonal. (a) a = (b) u = (c) y = 8 12 -5 3,0 = -3 7 4 ,b 0 || 2 || -2 -3 2 -3 3 1 -8 15

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A: Solution :-

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A: By algebra of vectors we solve the this question.

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Q: skip the first 3 thank you

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A: Solution

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A: Solution (11.)

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