MathDB
IZHO 2017 Functional equations

Source: IZHO 2017 Day 1 Problem 2

January 14, 2017
functional equationfunctionalgebra

Problem Statement

Find all functions f:RRf:R \rightarrow R such that (x+y2)f(yf(x))=xyf(y2+f(x))(x+y^2)f(yf(x))=xyf(y^2+f(x)), where x,yRx,y \in \mathbb{R}