4 2 c - 3*c + 2 ------------- 5 c + 1
(2.0 + c^4 - 3.0*c^2)/(1.0 + c^5)
2 / 2\ 2 + c *\-3 + c / ---------------- 5 1 + c
3 2 2 + c - c - 2*c -------------------- 2 4 3 1 + c + c - c - c
/ 2\ (-1 + c)*\-2 + c / -------------------- 2 4 3 1 + c + c - c - c