/ 2 2*x\ | 2*x*(1 + x) *e | x |2 + x - -----------------|*e | 2 2*x | \ 1 + x *e / ------------------------------ 2 2*x 1 + x *e
/ / 2 \ 2*x 2 3 4*x 2*x\ | 2*(1 + x)*\1 + 2*x + 4*x/*e 8*x *(1 + x) *e 4*x*(1 + x)*(2 + x)*e | x |3 + x - ------------------------------- + ------------------ - ------------------------|*e | 2 2*x 2 2 2*x | | 1 + x *e / 2 2*x\ 1 + x *e | \ \1 + x *e / / -------------------------------------------------------------------------------------------- 2 2*x 1 + x *e