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2025-10-14 21:54:56 UTC
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Mark Reid on Nostr: Isn’t it just because phi is a solution to x^2 + x - 1 = 0? Circle: y^2 = 1 - x^2 ...

Isn’t it just because phi is a solution to x^2 + x - 1 = 0?

Circle: y^2 = 1 - x^2
Quadratic: y = x^2

So y^2 = 1 - y giving the result.