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 | | http://functions.wolfram.com/06.19.26.0009.01 | 
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 | | Beta[z, a, b] == Beta[a, b] - ((1 - z)^b/b) HypergeometricPFQ[
     {{}, {-a}, {1, a + b}}, {{}, {}, {b + 1}}, 1 - z, 1 - z] /; 
  !(Element[-b, Integers] && -b >= 0) | 
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 | | Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["Beta", "[", RowBox[List["z", ",", "a", ",", "b"]], "]"]], "\[Equal]", RowBox[List[RowBox[List["Beta", "[", RowBox[List["a", ",", "b"]], "]"]], "-", RowBox[List[FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List["1", "-", "z"]], ")"]], "b"], "b"], "  ", RowBox[List["HypergeometricPFQ", "[", RowBox[List[RowBox[List["{", RowBox[List[RowBox[List["{", "}"]], ",", RowBox[List["{", RowBox[List["-", "a"]], "}"]], ",", RowBox[List["{", RowBox[List["1", ",", RowBox[List["a", "+", "b"]]]], "}"]]]], "}"]], ",", RowBox[List["{", RowBox[List[RowBox[List["{", "}"]], ",", RowBox[List["{", "}"]], ",", RowBox[List["{", RowBox[List["b", "+", "1"]], "}"]]]], "}"]], ",", RowBox[List["1", "-", "z"]], ",", RowBox[List["1", "-", "z"]]]], "]"]]]]]]]], "/;", RowBox[List["Not", "[", RowBox[List[RowBox[List["Element", "[", RowBox[List[RowBox[List["-", "b"]], ",", "Integers"]], "]"]], "\[And]", RowBox[List[RowBox[List["-", "b"]], "\[GreaterEqual]", "0"]]]], "]"]]]]]] | 
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   <math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'>  <semantics>  <mrow>  <mrow>  <mrow>  <msub>  <semantics>  <mi> Β </mi>  <annotation-xml encoding='MathML-Content'>  <ci> Beta </ci>  </annotation-xml>  </semantics>  <mi> z </mi>  </msub>  <mo> ( </mo>  <mrow>  <mi> a </mi>  <mo> , </mo>  <mi> b </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⩵ </mo>  <mrow>  <mrow>  <semantics>  <mi> Β </mi>  <annotation-xml encoding='MathML-Content'>  <ci> Beta </ci>  </annotation-xml>  </semantics>  <mo> ( </mo>  <mrow>  <mi> a </mi>  <mo> , </mo>  <mi> b </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> - </mo>  <mrow>  <mfrac>  <msup>  <mrow>  <mo> ( </mo>  <mrow>  <mn> 1 </mn>  <mo> - </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mi> b </mi>  </msup>  <mi> b </mi>  </mfrac>  <mo> ⁢ </mo>  <mrow>  <msubsup>  <mi> F </mi>  <mrow>  <mn> 0 </mn>  <mo> ⁢ </mo>  <mn> 0 </mn>  <mo> ⁢ </mo>  <mn> 1 </mn>  </mrow>  <mrow>  <mn> 0 </mn>  <mo> ⁢ </mo>  <mn> 1 </mn>  <mo> ⁢ </mo>  <mn> 2 </mn>  </mrow>  </msubsup>  <mo> ( </mo>  <mrow>  <mrow>  <mrow>  <mtable>  <mtr>  <mtd>  <mrow>  <mrow>  <mo> ; </mo>  <mrow>  <mo> - </mo>  <mi> a </mi>  </mrow>  <mo> ; </mo>  <mn> 1 </mn>  </mrow>  <mo> , </mo>  <mrow>  <mrow>  <mi> a </mi>  <mo> + </mo>  <mi> b </mi>  </mrow>  <mo> ; </mo>  </mrow>  </mrow>  </mtd>  </mtr>  <mtr>  <mtd>  <mrow>  <mo> ; </mo>  <mo> ; </mo>  <mrow>  <mi> b </mi>  <mo> + </mo>  <mn> 1 </mn>  </mrow>  <mo> ; </mo>  </mrow>  </mtd>  </mtr>  </mtable>  <mo> ⁢ </mo>  <mn> 1 </mn>  </mrow>  <mo> - </mo>  <mi> z </mi>  </mrow>  <mo> , </mo>  <mrow>  <mn> 1 </mn>  <mo> - </mo>  <mi> z </mi>  </mrow>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  </mrow>  </mrow>  <mo> /; </mo>  <mrow>  <mrow>  <mo> - </mo>  <mi> b </mi>  </mrow>  <mo> ∉ </mo>  <mi> ℕ </mi>  </mrow>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <ci> FormBox </ci>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> SubscriptBox </ci>  <apply>  <ci> InterpretationBox </ci>  <ms> Β </ms>  <ci> Beta </ci>  <apply>  <ci> Rule </ci>  <ci> Editable </ci>  <false />  </apply>  <apply>  <ci> Rule </ci>  <ci> Selectable </ci>  <false />  </apply>  </apply>  <ms> z </ms>  </apply>  <ms> ( </ms>  <apply>  <ci> RowBox </ci>  <list>  <ms> a </ms>  <ms> , </ms>  <ms> b </ms>  </list>  </apply>  <ms> ) </ms>  </list>  </apply>  <ms> ⩵ </ms>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> InterpretationBox </ci>  <ms> Β </ms>  <ci> Beta </ci>  <apply>  <ci> Rule </ci>  <ci> Editable </ci>  <false />  </apply>  <apply>  <ci> Rule </ci>  <ci> Selectable </ci>  <false />  </apply>  </apply>  <ms> ( </ms>  <apply>  <ci> RowBox </ci>  <list>  <ms> a </ms>  <ms> , </ms>  <ms> b </ms>  </list>  </apply>  <ms> ) </ms>  </list>  </apply>  <ms> - </ms>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> FractionBox </ci>  <apply>  <ci> SuperscriptBox </ci>  <apply>  <ci> RowBox </ci>  <list>  <ms> ( </ms>  <apply>  <ci> RowBox </ci>  <list>  <ms> 1 </ms>  <ms> - </ms>  <ms> z </ms>  </list>  </apply>  <ms> ) </ms>  </list>  </apply>  <ms> b </ms>  </apply>  <ms> b </ms>  </apply>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> SubsuperscriptBox </ci>  <ms> F </ms>  <apply>  <ci> RowBox </ci>  <list>  <ms> 0 </ms>  <ms> 0 </ms>  <ms> 1 </ms>  </list>  </apply>  <apply>  <ci> RowBox </ci>  <list>  <ms> 0 </ms>  <ms> 1 </ms>  <ms> 2 </ms>  </list>  </apply>  </apply>  <ms> [ </ms>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> GridBox </ci>  <list>  <list>  <apply>  <ci> ErrorBox </ci>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> RowBox </ci>  <list>  <ms> ; </ms>  <apply>  <ci> RowBox </ci>  <list>  <ms> - </ms>  <ms> a </ms>  </list>  </apply>  <ms> ; </ms>  <ms> 1 </ms>  </list>  </apply>  <ms> , </ms>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> RowBox </ci>  <list>  <ms> a </ms>  <ms> + </ms>  <ms> b </ms>  </list>  </apply>  <ms> ; </ms>  </list>  </apply>  </list>  </apply>  </apply>  </list>  <list>  <apply>  <ci> RowBox </ci>  <list>  <ms> ; </ms>  <ms> ; </ms>  <apply>  <ci> RowBox </ci>  <list>  <ms> b </ms>  <ms> + </ms>  <ms> 1 </ms>  </list>  </apply>  <ms> ; </ms>  </list>  </apply>  </list>  </list>  </apply>  <ms> 1 </ms>  </list>  </apply>  <ms> - </ms>  <ms> z </ms>  </list>  </apply>  <ms> , </ms>  <apply>  <ci> RowBox </ci>  <list>  <ms> 1 </ms>  <ms> - </ms>  <ms> z </ms>  </list>  </apply>  <ms> ] </ms>  </list>  </apply>  </list>  </apply>  </list>  </apply>  </list>  </apply>  <ms> /; </ms>  <apply>  <ci> RowBox </ci>  <list>  <apply>  <ci> RowBox </ci>  <list>  <ms> - </ms>  <ms> b </ms>  </list>  </apply>  <ms> ∉ </ms>  <ms> ℕ </ms>  </list>  </apply>  </list>  </apply>  <ci> TraditionalForm </ci>  </apply>  </annotation-xml>  </semantics>  </math> 
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 | | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Beta", "[", RowBox[List["z_", ",", "a_", ",", "b_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List[RowBox[List["Beta", "[", RowBox[List["a", ",", "b"]], "]"]], "-", FractionBox[RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["1", "-", "z"]], ")"]], "b"], " ", RowBox[List["HypergeometricPFQ", "[", RowBox[List[RowBox[List["{", RowBox[List[RowBox[List["{", "}"]], ",", RowBox[List["{", RowBox[List["-", "a"]], "}"]], ",", RowBox[List["{", RowBox[List["1", ",", RowBox[List["a", "+", "b"]]]], "}"]]]], "}"]], ",", RowBox[List["{", RowBox[List[RowBox[List["{", "}"]], ",", RowBox[List["{", "}"]], ",", RowBox[List["{", RowBox[List["b", "+", "1"]], "}"]]]], "}"]], ",", RowBox[List["1", "-", "z"]], ",", RowBox[List["1", "-", "z"]]]], "]"]]]], "b"]]], "/;", RowBox[List["!", RowBox[List["(", RowBox[List[RowBox[List[RowBox[List["-", "b"]], "\[Element]", "Integers"]], "&&", RowBox[List[RowBox[List["-", "b"]], "\[GreaterEqual]", "0"]]]], ")"]]]]]]]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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