SubArea: Primitive functionLevel: AProject ID: 9000065910Accepted: 1Given function F(x)=x+2ln|x|−1x, find the function f such that F is primitive to f on (0;+∞).f(x)=x2+2x+1x2f(x)=x2(x+1)2f(x)=x2−1x2f(x)=x2(x−1)2