Question: Prove in two ways that for scalars a and b, (au) (bv) = ab(u v). Use the definition of the cross product and

Prove in two ways that for scalars a and b, (au) × (bv) = ab(u × v). Use the definition of the cross product and the determinant formula.

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The result is trivial if either a 0 or b 0 so assume ab 0 Note that the ... View full answer

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