2 3 z *sinh(z) + 2*z*cosh(z) 4*z *cosh(z) ------------------------ - ------------ 2 3 / 2 \ / 2 \ \z - 1/ \z - 1/
/ 2 \ 2 | 6*z | 4*z *|-1 + -------|*cosh(z) 2 | 2| 2 8*z *(2*cosh(z) + z*sinh(z)) \ -1 + z / 2*cosh(z) + z *cosh(z) + 4*z*sinh(z) - ---------------------------- + --------------------------- 2 2 -1 + z -1 + z ------------------------------------------------------------------------------------------------- 2 / 2\ \-1 + z /
/ 2 \ / 2 \ 3 | 8*z | | 6*z | 24*z *|-3 + -------|*cosh(z) 12*z*|-1 + -------|*(2*cosh(z) + z*sinh(z)) / 2 \ | 2| | 2| 2 12*z*\2*cosh(z) + z *cosh(z) + 4*z*sinh(z)/ \ -1 + z / \ -1 + z / 6*sinh(z) + z *sinh(z) + 6*z*cosh(z) - ------------------------------------------- - ---------------------------- + ------------------------------------------- 2 2 2 -1 + z / 2\ -1 + z \-1 + z / --------------------------------------------------------------------------------------------------------------------------------------------------------------- 2 / 2\ \-1 + z /