1. Let X be an inner product space. Using the parallelogram identity to prove by few lines the Appolonius' identity: 1|2
Posted: Tue Sep 07, 2021 7:15 am
1. Let X be an inner product space. Using the parallelogram identity to prove by few lines the Appolonius' identity: 1|2 - xll?+][z – yll = [lx – 31° +2 2/17-}(+»||