/ ___\ / ___\
| 1 I*\/ 3 | | 1 I*\/ 3 |
1*(t + 1)*|t + - - + -------|*|t + - - - -------|
\ 2 2 / \ 2 2 /
((1*(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)