8. For each pair of vectors, determine whether they are orthogonal. i. a = (1, 2),...

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8. For each pair of vectors, determine whether they are orthogonal. i. a = (1, 2), (2, – 1) b (1, 1, 1), (0, 2, – 2) ji, a = - 1, – 1), = (1, (1, 2, – 2) iii. a (1, – 1, – 1), (1, – 1, 1), ь 3 (0, 2, — 1) b = (0, – 1, 3, – 1) iv. a = b (2, – 1, 0, 1), V. a = - - 8. For each pair of vectors, determine whether they are orthogonal. i. a = (1, 2), (2, – 1) b (1, 1, 1), (0, 2, – 2) ji, a = - 1, – 1), = (1, (1, 2, – 2) iii. a (1, – 1, – 1), (1, – 1, 1), ь 3 (0, 2, — 1) b = (0, – 1, 3, – 1) iv. a = b (2, – 1, 0, 1), V. a = - -