Proof Without Words: Alternating Sum of an Even Number of Triangular Numbers

DOI10.1080/0025570X.2007.11953458zbMATH Open1227.97054OpenAlexW2801335565MaRDI QIDQ3103467

Ángel Plaza

Publication date: 7 December 2011

Published in: Mathematics Magazine (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/0025570x.2007.11953458

Mathematics Subject Classification ID

Sequences and series (educational aspects) (97I30)

Related Items (2)

Proof Without Words: Sums of Every Third Triangular Number ⋮ A visual proof for the sum of the first \(n\) triangular numbers

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