-16 + 1/(4 + z) - 1/z - 4/(4 + z)^2
1 1 4 -16 + ----- - - - -------- 4 + z z 2 (4 + z)
3 2 2 2 z - z*(4 + z) - 16*z *(4 + z) -------------------------------- 2 2 z *(4 + z)
(z^3 - z*(4 + z)^2 - 16*z^2*(4 + z)^2)/(z^2*(4 + z)^2)
2 2 2 z - (4 + z) - 16*z*(4 + z) ----------------------------- 2 z*(4 + z)
(z^2 - (4 + z)^2 - 16*z*(4 + z)^2)/(z*(4 + z)^2)
16 + 8*z -16 - ---------------- 3 2 z + 8*z + 16*z
-16 - (16 + 8*z)/(z^3 + 8*z^2 + 16*z)
-16.0 - 1/z + 0.0625*z/(1 + 0.25*z)^2
-16.0 - 1/z + 0.0625*z/(1 + 0.25*z)^2
/ 3 2 \ -8*\2 + 2*z + 16*z + 33*z/ ---------------------------- 2 z*(4 + z)
-8*(2 + 2*z^3 + 16*z^2 + 33*z)/(z*(4 + z)^2)