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Revision history of "2020 OIM Problems/Problem 5"

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  • (cur | prev) 12:57, 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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