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. & Thomas, A., (2025) “Proof Without Words: a^2-b^2=(a+b)(a-b)”, Ohio Journal of School Mathematics 99, 5.
Rights: Krishnamurthy Bala Subramaniam
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