# Proof without Words: Sum of Cubes

by Alan L. Fry (University of North Carolina, Greensboro)

Mathematics Magazine
January, 1985

Subject classification(s): Numbers and Computation | Patterns and Sequences
Applicable Course(s): 3.7 Discrete Math | 4.1 Introduction to Proofs

The author presents a visual proof that $\sum_{i=1}^n i^3 = (\sum_{i=1}^n i^2)$.

A pdf copy of the article can be viewed by clicking below. Since the copy is a faithful reproduction of the actual journal pages, the article may not begin at the top of the first page.