x x x x - 2*x *(1 + log(x)) + x*x *(1 + log(x))
x / 2 2 2\ x *|3 - - - 2*(1 + log(x)) + 2*log(x) + x*(1 + log(x)) | \ x /
x / 3 2 2 2 3 6*(1 + log(x))\ x *|3 - 2*(1 + log(x)) + - + -- + 3*(1 + log(x)) + 3*log(x) + x*(1 + log(x)) - --------------| | x 2 x | \ x /