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Omni-MATH / Determine all the functions f:R→R such that f(x²+f(y))=f(f(x))+f(y²)+2f(xy) for all real number x and y. · Discussion

Discussing Determine all the functions f:R→R such that f(x²+f(y))=f(f(x))+f(y²)+2f(xy) for all real number x and y. · Omni-MATH

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