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Omni-MATH / Given a rational number a≠0, find, with proof, all functions f:Q→Q satisfying the equation f(f(x)+ay)=af(y)+x for all x,y∈Q. · Discussion

Discussing Given a rational number a≠0, find, with proof, all functions f:Q→Q satisfying the equation f(f(x)+ay)=af(y)+x for all x,y∈Q. · Omni-MATH

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