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
Rights:
Krishnamurthy Bala Subramaniam
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