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Boxes and Bales

By Wikimedia user Cmglee, a visual proof that a3 – b3 = (a – b)(a2 + ab + b2):

https://commons.wikimedia.org/wiki/File:Difference_of_squares_and_cubes_visual_proof.svg

June 16, 2025June 15, 2025 | Science & Math

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Futility Closet is a collection of entertaining curiosities in history, literature, language, art, philosophy, and mathematics, designed to help you waste time as enjoyably as possible.

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