SOLUTION: The function f : R --> R satisfies f(x) f(y) = f(x + y) + xy for all real numbers x and y. Find all possible functions f.

Question 1180033: The function f : R --> R satisfies
f(x) f(y) = f(x + y) + xy for all real numbers x and y. Find all possible functions f.
Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
.

See this link

https://math.stackexchange.com/questions/3687605/the-function-f-mathbbr-to-mathbbr-satisfies-fx-fy-fx-y-x

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