Integrate[E^(c z)/((d + e E^(c z)) Sqrt[a + b E^(c z)]), z] == (-(2/(c Sqrt[e] Sqrt[(-b) d + a e]))) ArcTanh[(Sqrt[e] Sqrt[a + b E^(c z)])/Sqrt[(-b) d + a e]]

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2002-12-18