Question 73 Not yet answered Marked out of 2.00 Flag question 1. Let X be an inner product space. Using the parallelogra

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Question 73 Not Yet Answered Marked Out Of 2 00 Flag Question 1 Let X Be An Inner Product Space Using The Parallelogra 1 (145.77 KiB) Viewed 299 times

Question 73 Not yet answered Marked out of 2.00 Flag question 1. Let X be an inner product space. Using the parallelogram identity to prove by few lines the Appolonius identity: []z – x][2+1]z – y|= ||x – yll? + 2 ||2 - $ (x + y) || 2. Prove that the norm function f(x) = ||*|| :X → R on a vector space X is continuous.