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Proof without Words: 1? + 2? + 3? + 4? + ... + n? = {n(n + 1)}2/4

The author presents a visual proof of the well-known formula for the sum of the first n cubes.
Old Node ID: 
1851
MSC Codes: 
Author(s): 
Antonella Cupillari
Publication Date: 
Thursday, June 5, 2008
Original Publication Source: 
Mathematics Magazine
Original Publication Date: 
October, 1989
Subject(s): 
Number Patterns
Numbers and Computation
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Publish Page: 
Furnished by JSTOR: 
File Content: 
Author (old format): 
Antonella Cupillari
Applicable Course(s): 
4.1 Introduction to Proofs
3.7 Discrete Math
Modify Date: 
Tuesday, July 29, 2008
Average: 2.7 (21 votes)

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