Integrate[Sqrt[z] E^(b z + e) Cosh[c z], z] == (1/2) E^e z^(3/2) (((-E^((b - c) z)) Sqrt[(-b + c) z] + (1/2) Sqrt[Pi] (-1 + Erf[Sqrt[(-b + c) z]]))/((-b + c) z)^(3/2) + ((-E^((b + c) z)) Sqrt[(-(b + c)) z] + (1/2) Sqrt[Pi] (-1 + Erf[Sqrt[(-(b + c)) z]]))/((-(b + c)) z)^(3/2))

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2002-12-18