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Tidy

https://commons.wikimedia.org/wiki/
File:Difference_of_two_squares_geometric_proof.png

A visual proof that a^2 - b^2 = (a + b)(a - b).

Sophie Germain wrote, "It has been said that algebra is but written
geometry and geometry is but diagrammatic algebra."

December 15, 2024December 14, 2024 | Science & Math

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