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2020 OIM Problems/Problem 5: Revision history

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3 May 2025

14 December 2023

  • curprev 12:5712:57, 14 December 2023 Tomasdiaz talk contribs 309 bytes +309 Created page with "== Problem == Find all functions <math>f : \mathbb{R} \to \mathbb{R}</math> such that <cmath>f(xf(x-y))+yf(x)=x+y+f(x^2)</cmath> for any real numbers <math>x, y</math>. ~tr..."
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