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Proof without Words: Sum of Squares

by Man-Keung Siu (University of Hong Kong)

This article originally appeared in:
Mathematics Magazine
March, 1984

Subject classification(s): Sequences and Series | Algebra | Algebra and Number Theory
Applicable Course(s): 4.3 Number Theory

The sum of squares formula is proved visually.

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Capsule Course Topic(s):
Number Theory | Numbers With Special Forms or Properties, Sums of Powers
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