Question: Determine whether u and v are orthogonal. 1. u = (3, 15), v = (-1, 5) 2. u = (30, 12), v = (1/2, -5/4)

Determine whether u and v are orthogonal.
1. u = (3, 15), v = (-1, 5)
2. u = (30, 12), v = (1/2, -5/4)
3. u = 2i - 2j, v = -i - j

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