/ ___\ / ___\ / ___\ / ___\ | 1 I*\/ 3 | | 1 I*\/ 3 | | 1 I*\/ 3 | | 1 I*\/ 3 | (x + 1)*x*(x - 1)*|x + - + -------|*|x + - - -------|*|x + - - + -------|*|x + - - - -------| \ 2 2 / \ 2 2 / \ 2 2 / \ 2 2 /
((((((x + 1)*x)*(x - 1))*(x + 1/2 + i*sqrt(3)/2))*(x + 1/2 - i*sqrt(3)/2))*(x - 1/2 + i*sqrt(3)/2))*(x - 1/2 - i*sqrt(3)/2)
2 / 2\ / 2 \ -y *(1 + y)*(-1 + y)*\1 + y + y /*\1 + y - y/
-y^2*(1 + y)*(-1 + y)*(1 + y + y^2)*(1 + y^2 - y)