Question: Problem 5. Let (V, (., .)) be an inner product space. Show the following identities hold for all x, y E V: (1) |lactyll2 +

Problem 5. Let (V, (., .)) be an inner product space. Show the following identities hold for all x, y E V: (1) |lactyll2 + |/x- y|12 = 211=|12 + 2lly112 (2) 4(x, y) = xty2 - |x - y|2 if V is real

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