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 Exp

 http://functions.wolfram.com/01.03.21.0127.01

 Input Form

 Integrate[E^(a z^r + b)/z, z] == (E^b ExpIntegralEi[a z^r])/r

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["\[Integral]", RowBox[List[FractionBox[SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["a", " ", SuperscriptBox["z", "r"]]], "+", "b"]]], "z"], RowBox[List["\[DifferentialD]", "z"]]]]]], "\[Equal]", FractionBox[RowBox[List[SuperscriptBox["\[ExponentialE]", "b"], " ", RowBox[List["ExpIntegralEi", "[", RowBox[List["a", " ", SuperscriptBox["z", "r"]]], "]"]]]], "r"]]]]]

 MathML Form

 a z r + b z z b Ei ( a z r ) r z a z r b z -1 b ExpIntegralEi a z r r -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["\[Integral]", RowBox[List[FractionBox[SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["a_", " ", SuperscriptBox["z_", "r_"]]], "+", "b_"]]], "z_"], RowBox[List["\[DifferentialD]", "z_"]]]]]], "]"]], "\[RuleDelayed]", FractionBox[RowBox[List[SuperscriptBox["\[ExponentialE]", "b"], " ", RowBox[List["ExpIntegralEi", "[", RowBox[List["a", " ", SuperscriptBox["z", "r"]]], "]"]]]], "r"]]]]]

 Date Added to functions.wolfram.com (modification date)

 2002-12-18