Closed yenapple closed 4 years ago
find a function f: R -> R such that f(y+f(x)) = f(x)^2 + 2y*f(x) + f(y) for all x, y real.
find a function f: R -> R such that f(y+f(x)) = f(x)^2 + 2y*f(x) + f(y) for all x, y real.