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throwawayznxnyn
searching PlanetScale…
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by
throwawayznxnyn
8y ago
This argument puzzled me, but unfortunately this is as far as I got: ~~Lemma 1~~: z^n can be written as a difference of squares: Proof: z^n = x^2 - y^2 = (x+y)(x-y), leading to the system of equations x + y = z^(n-1) x - y = z whic