/ 1 \ |-----------------| | 2 | |z - z / 2 \| |------*\z - 3*z/| | 2 | \z - 9 / ------------------- z - 1
(1/((((z^2 - z)/(z^2 - 9)))*(z^2 - 3*z)))/(z - 1)
-7/(-1 + z) + 3/z^2 + 4/(-1 + z)^2 + 7/z
7 3 4 7 - ------ + -- + --------- + - -1 + z 2 2 z z (-1 + z)
3 + z ----------------- 2 / 2 \ z *\1 + z - 2*z/
(3 + z)/(z^2*(1 + z^2 - 2*z))
2 -9 + z ---------------------------- / 2 \ / 2 \ (-1 + z)*\z - z/*\z - 3*z/
(-9 + z^2)/((-1 + z)*(z^2 - z)*(z^2 - 3*z))
2 -9 + z ---------------------------- / 2 \ / 2 \ (-1 + z)*\z - z/*\z - 3*z/
(-9 + z^2)/((-1 + z)*(z^2 - z)*(z^2 - 3*z))
2 -9 + z --------------------- 2 2 z *(-1 + z) *(-3 + z)
(-9 + z^2)/(z^2*(-1 + z)^2*(-3 + z))
(-9.0 + z^2)/((-1.0 + z)*(z^2 - z)*(z^2 - 3.0*z))
(-9.0 + z^2)/((-1.0 + z)*(z^2 - z)*(z^2 - 3.0*z))
2 -9 + z ---------------------------- / 2 \ / 2 \ (-1 + z)*\z - z/*\z - 3*z/
(-9 + z^2)/((-1 + z)*(z^2 - z)*(z^2 - 3*z))
2 -9 + z ---------------------------- / 2 \ / 2 \ (-1 + z)*\z - z/*\z - 3*z/
(-9 + z^2)/((-1 + z)*(z^2 - z)*(z^2 - 3*z))