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 Exp

 http://functions.wolfram.com/01.03.03.0059.01

 Input Form

 E^((4 Pi I)/7) == Root[1 + #1 + #1^2 + #1^3 + #1^4 + #1^5 + #1^6 & , 4]

 Standard Form

 Cell[BoxData[RowBox[List[SuperscriptBox["\[ExponentialE]", FractionBox[RowBox[List["4", "\[Pi]", " ", "\[ImaginaryI]"]], "7"]], "\[Equal]", RowBox[List["Root", "[", RowBox[List[RowBox[List[RowBox[List["1", "+", "#1", "+", SuperscriptBox["#1", "2"], "+", SuperscriptBox["#1", "3"], "+", SuperscriptBox["#1", "4"], "+", SuperscriptBox["#1", "5"], "+", SuperscriptBox["#1", "6"]]], "&"]], ",", "4"]], "]"]]]]]]

 MathML Form

 4 π 7 ( z ; z 6 + z 5 + z 4 + z 3 + z 2 + z + 1 ) 4 - 1 4 7 -1 Subscript CompoundExpression z z 6 z 5 z 4 z 3 z 2 z 1 4 -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", SuperscriptBox["\[ExponentialE]", FractionBox[RowBox[List["4", " ", "\[Pi]", " ", "\[ImaginaryI]"]], "7"]], "]"]], "\[RuleDelayed]", RowBox[List["Root", "[", RowBox[List[RowBox[List[RowBox[List["1", "+", "#1", "+", SuperscriptBox["#1", "2"], "+", SuperscriptBox["#1", "3"], "+", SuperscriptBox["#1", "4"], "+", SuperscriptBox["#1", "5"], "+", SuperscriptBox["#1", "6"]]], "&"]], ",", "4"]], "]"]]]]]]

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

 2001-10-29