Integrate[(A + B Sinh[e z] + C Cosh[e z])/(a Sinh[e z] + b Cosh[e z]), z] == -(2 A (a - b) Sqrt[a + b] ArcTan[(a + b Tanh[(e z)/2])/ (Sqrt[-a + b] Sqrt[a + b])] + Sqrt[-a + b] ((a B - b C) e z + ((-b) B + a C) Log[b Cosh[e z] + a Sinh[e z]]))/ ((-a + b)^(3/2) (a + b) e)

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2002-12-18