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A comment on A visual proof that a^2 – b^2 = (a + b)(a – b). Parent comment
Maybe if you viewed an animation where `a` starts larger than `b`, and steps till it's smaller.
Then you could see where the negativity happens. And seeing is nice.
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Maybe if you viewed an animation where `a` starts larger than `b`, and steps till it's smaller.
Then you could see where the negativity happens. And seeing is nice.