cqu_11590+ATTACHMENT01+ATTACHMENT01.7.doc (97.5 kB)
Lagranges Four Square Theorem seen using Polygons and Lines
online resourceposted on 2017-12-06, 00:00 authored by Noel PatsonNoel Patson
Any natural number can be represented as the sum of the squares of four non-negative integers. For most numbers there are multiple representations. In this Demonstration, the four integers (not squared) may be viewed using three different options.