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Proof without Words: Gabriel's Staircase
by Stuart G. Swain (University of Maine at Machias)
This article originally appeared in:Mathematics Magazine
June, 1994
Subject classification(s): Single Variable Calculus | Calculus
Applicable Course(s): 3.5 Non-mainstream Calc II | 3.2 Mainstream Calculus II | 3.0 Calculus
A geometric proof of the sum of an infinite series. Gabriel's Staircase is \(\sum_{k=1}^{\infty} k r^k\).
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Capsule Course Topic(s): Sequences and Series | Special series: General
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