(z - 1)*sinh(z) + cosh(z) 3*(z - 1)*cosh(z) ------------------------- - ----------------- 3 4 (z + 1) (z + 1)
6*((-1 + z)*sinh(z) + cosh(z)) 12*(-1 + z)*cosh(z) 2*sinh(z) + (-1 + z)*cosh(z) - ------------------------------ + ------------------- 1 + z 2 (1 + z) ----------------------------------------------------------------------------------- 3 (1 + z)
9*(2*sinh(z) + (-1 + z)*cosh(z)) 36*((-1 + z)*sinh(z) + cosh(z)) 60*(-1 + z)*cosh(z) 3*cosh(z) + (-1 + z)*sinh(z) - -------------------------------- + ------------------------------- - ------------------- 1 + z 2 3 (1 + z) (1 + z) ----------------------------------------------------------------------------------------------------------------------- 3 (1 + z)