1. Let X be an inner product space. Using the parallelogram identity to prove by few lines the Appolonius Identity: llz-
Posted: Tue Sep 07, 2021 7:14 am
1. Let X be an inner product space. Using the parallelogram identity to prove by few lines the Appolonius Identity: llz-xf+la- y = x - x [ +21=-(x + )|| 2. Prove that the norm function f(x) = ||*||- x - R on a vector space X is continuous.