Answer Happy

Posted: **Tue Sep 07, 2021 7:10 am**

: 1 Let X Be An Inner Product Space Using The Parallelogram Identity To Prove By Few Lines The Appolonius Identity Z 1 (27.16 KiB) Viewed 114 times

1. Let X be an inner product space. Using the parallelogram identity to prove by few lines the Appolonius' identity: ||z – x|12+1/2 – y112 = }}\x – yi[° +2 2||- - }(x+y) || 2. Prove that the norm function f(x) = ||*||:X + Ron a vector space X is continuous.