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Proof without Words: Arithmetic Progressions with Sum Equal to the Square of the Number of Terms

A visual verification of the fact that the sum of the integers from n to 3n-2 is (2n-1)2 in the case that n = 4.
Old Node ID: 
3377
MSC Codes: 
40A05
Author(s): 
James O. Chilaka (Long Island University)
Publication Date: 
Friday, February 5, 2010
Original Publication Source: 
Mathematics Magazine
Original Publication Date: 
April, 1986
Subject(s): 
Sequences and Series
Algebra
Algebra and Number Theory
Topic(s): 
Background
Flag for Digital Object Identifier: 
Publish Page: 
Furnished by JSTOR: 
Rating Count: 
21.00
Rating Sum: 
66.00
Rating Average: 
3.14
Applicable Course(s): 
3.1 Mainstream Calculus I
Modify Date: 
Wednesday, August 15, 2012
Average: 3.2 (21 votes)

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