Prove that u - v2 = u2 + v2 - 2u v.
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∥u - v∥2 = ∥u∥2 + ∥v∥2 - 2u ∙ v.
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Let u u 1 u 2 and v v 1 v 2 u v u 1 v 1 u 2 v 2 ...View the full answer
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