Question: If a = (1, 0, 1), b = (2, 1, -1), and c = (0, 1, 3), show that a x (b x c)

If a = (1, 0, 1), b = (2, 1, -1), and c = (0, 1, 3), show that a x (b x c) ≠ (a x b) x c.

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