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Proofs without Words: Count the Dots

by Warren Page (New York City Technical Coillege CUNY)

This article originally appeared in:
Mathematics Magazine
March, 1982

Subject classification(s): Geometric Proof | Geometry and Topology
Applicable Course(s): 4.7 Discrete Structures | 4.3 Number Theory

This article contains a geometric demonstration of an identity for integers.

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