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Proof Without Words: a^2-b^2=(a+b)(a-b)

Abstract

This elegant visual argument invites students to reason spatially about algebra, revealing the identity.

Keywords

Proof without Words, Proof and Argumentation, Visual Reasoning

How to Cite

Subramaniam, K., (2025) “Proof Without Words: a^2-b^2=(a+b)(a-b)”, Ohio Journal of School Mathematics 99(1), 5. doi: https://doi.org/10.18061/ojsm.5050

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Krishnamurthy Bala Subramaniam

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Krishnamurthy Bala Subramaniam

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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0

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This article has been peer reviewed.

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