A visual proof that a^2 – b^2 = (a + b)(a – b)
Link: futilitycloset.com/2024/12/15/…
Discussion: news.ycombinator.com/item?id=4…
Tidy - Futility Closet
A visual proof that a2 – b2 = (a + b)(a – b). Sophie Germain wrote, “It has been said that algebra is but written geometry and geometry is but diagrammatic algebra.”Greg Ross (Futility Closet)
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