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Omni-MATH / Let N denote the set of positive integers. Find all functions f:N→N such that for positive integers a and b, f(a²+b²)=f(a)f(b) and f(a²)=f(a)². · Discussion

Discussing Let N denote the set of positive integers. Find all functions f:N→N such that for positive integers a and b, f(a²+b²)=f(a)f(b) and f(a²)=f(a)². · Omni-MATH

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