Let a = [3, 2, 0] = 3i + 2j; b = [-4, 6, 0] = 4i
Question:
Let a = [3, 2, 0] = 3i + 2j; b = [-4, 6, 0] = 4i + 6j, c = [5, -1, 8] = 5i - j + 8k, d = [0, 0, 4] = 4k.
Find:
2a, 1/2a, -a
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