Overview

Lagrange theorem


Show Summary Details

Quick Reference

(sum of four squares)

Every natural number can be written as the sum of four squares of integers. This expression is not necessarily unique. For example,

1=12+02+02+02,

10=32+12+02+02 or 22+22+12+12.

Subjects: Mathematics.


Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.