Question: Let a = [1, -3, 5], b = [4, 0, 8], c = [-2, 9, 1]. Find: a (b - c), (a - b)

Let a = [1, -3, 5], b = [4, 0, 8], c = [-2, 9, 1].
Find:

a • (b - c), (a - b) • c

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