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A visual proof that a^2 – b^2 = (a + ...
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A visual proof that a^2 – b^2 = (a + b)(a – b)
futilitycloset.com · first added by
@hn_wayback
· 2026-10-06 · 1 upvotes
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A visual proof that a^2 – b^2 = (a + b)(a – b)
731 pts · 192 comments ·
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