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