z*cosh(z) + sinh(z) z*(2 - 2*z)*sinh(z) ------------------- + ------------------- 2 4 (z - 1) (z - 1)
4*(z*cosh(z) + sinh(z)) 6*z*sinh(z) 2*cosh(z) + z*sinh(z) - ----------------------- + ----------- -1 + z 2 (-1 + z) ------------------------------------------------------------- 2 (-1 + z)
6*(2*cosh(z) + z*sinh(z)) 18*(z*cosh(z) + sinh(z)) 24*z*sinh(z) 3*sinh(z) + z*cosh(z) - ------------------------- + ------------------------ - ------------ -1 + z 2 3 (-1 + z) (-1 + z) ------------------------------------------------------------------------------------------- 2 (-1 + z)