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Omni-MATH / Find all functions f:R→R that satisfy the conditions f(1+xy)−f(x+y)=f(x)f(y) for all x,y∈R, and f(−1)≠0. · Discussion

Discussing Find all functions f:R→R that satisfy the conditions f(1+xy)−f(x+y)=f(x)f(y) for all x,y∈R, and f(−1)≠0. · Omni-MATH

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