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Proof without Words: Alternating Sum of Squares = Triangular Number

by Stephen L. Snover (University of Hartford)

This article originally appeared in:
Mathematics Magazine
April, 1992

Subject classification(s): Calculus | Single Variable Calculus | Limits
Applicable Course(s): 3.1 Mainstream Calculus I

A visual proof of the evaluation of the alternating sum of squares is given.

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Capsule Course Topic(s):
One-Variable Calculus | Background
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