parallelogram law

Theorem 1

In an inner product spaceMathworldPlanetmath (, let x and y be vectors. Then

Title parallelogram lawMathworldPlanetmathPlanetmath
Canonical name ParallelogramLaw1
Date of creation 2013-03-22 16:08:02
Last modified on 2013-03-22 16:08:02
Owner Mathprof (13753)
Last modified by Mathprof (13753)
Numerical id 9
Author Mathprof (13753)
Entry type Theorem
Classification msc 46C05
Related topic ParallelogramLaw
Related topic GeneralizationOfTheParallelogramLaw