/ z + 1 \ |--------| | 3| \(z + 2) / ---------- z - 1
((z + 1)/(z + 2)^3)/(z - 1)
-2/(9*(2 + z)^2) - 2/(27*(2 + z)) + 1/(3*(2 + z)^3) + 2/(27*(-1 + z))
2 2 1 2 - ---------- - ---------- + ---------- + ----------- 2 27*(2 + z) 3 27*(-1 + z) 9*(2 + z) 3*(2 + z)
1 + z ----------------- 3 (-1 + z)*(2 + z)
(1 + z)/((-1 + z)*(2 + z)^3)
0.125*(1.0 + z)/((1 + 0.5*z)^3*(-1.0 + z))
0.125*(1.0 + z)/((1 + 0.5*z)^3*(-1.0 + z))
1 + z ----------------- 3 (-1 + z)*(2 + z)
(1 + z)/((-1 + z)*(2 + z)^3)
1 + z --------------------------- 4 3 2 -8 + z - 4*z + 5*z + 6*z
(1 + z)/(-8 + z^4 - 4*z + 5*z^3 + 6*z^2)