» » New best story on Hacker News: A visual proof that a^2 – b^2 = (a + b)(a – b)

New best story on Hacker News: A visual proof that a^2 – b^2 = (a + b)(a – b)

A visual proof that a^2 – b^2 = (a + b)(a – b)
697 by beardyw | 191 comments on Hacker News.


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