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http://functions.wolfram.com/06.03.17.0007.01
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Det[Table[Binomial[x + a k + l, y + a k - l]/k!, {k, 0, n}, {l, 0, n}]] ==
a^Binomial[n + 1, 2]
Product[((x + a k)! Product[x + y + (k + l - 1) a + 1, {l, 1, k}])/
((y + a k)! (x - y + 2 k)!), {k, 0, n}]
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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> <semantics> <mrow> <mo> ❘ </mo> <msub> <mrow> <mo> ( </mo> <mrow> <mfrac> <mn> 1 </mn> <mrow> <mi> k </mi> <mo> ! </mo> </mrow> </mfrac> <mo> ⁢ </mo> <mrow> <mo> ( </mo> <mtable> <mtr> <mtd> <mrow> <mrow> <mi> a </mi> <mo> ⁢ </mo> <mi> k </mi> </mrow> <mo> + </mo> <mi> l </mi> <mo> + </mo> <mi> x </mi> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mrow> <mi> a </mi> <mo> ⁢ </mo> <mi> k </mi> </mrow> <mo> - </mo> <mi> l </mi> <mo> + </mo> <mi> y </mi> </mrow> </mtd> </mtr> </mtable> <mo> ) </mo> </mrow> </mrow> <mo> ) </mo> </mrow> <mtable> <mtr> <mtd> <mrow> <mn> 0 </mn> <mo> ≤ </mo> <mi> k </mi> <mo> ≤ </mo> <mi> n </mi> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mn> 0 </mn> <mo> ≤ </mo> <mi> l </mi> <mo> ≤ </mo> <mi> n </mi> </mrow> </mtd> </mtr> </mtable> </msub> <mo> ❘ </mo> </mrow> <annotation encoding='Mathematica'> TagBox[RowBox[List["\[LeftBracketingBar]", SubscriptBox[RowBox[List["(", RowBox[List[FractionBox["1", RowBox[List["k", "!"]]], TagBox[RowBox[List["(", GridBox[List[List[TagBox[RowBox[List[RowBox[List["a", " ", "k"]], "+", "l", "+", "x"]], Identity, Rule[Editable, True]]], List[TagBox[RowBox[List[RowBox[List["a", " ", "k"]], "-", "l", "+", "y"]], Identity, Rule[Editable, True]]]]], ")"]], InterpretTemplate[Function[Binomial[Slot[1], Slot[2]]]], Rule[Editable, False]]]], ")"]], GridBox[List[List[RowBox[List["0", "\[LessEqual]", "k", "\[LessEqual]", "n"]]], List[RowBox[List["0", "\[LessEqual]", "l", "\[LessEqual]", "n"]]]]]], "\[RightBracketingBar]"]], List[Det]] </annotation> </semantics> <mo> ⩵ </mo> <mrow> <msup> <mi> a </mi> <semantics> <mrow> <mo> ( </mo> <mtable> <mtr> <mtd> <mrow> <mi> n </mi> <mo> + </mo> <mn> 1 </mn> </mrow> </mtd> </mtr> <mtr> <mtd> <mn> 2 </mn> </mtd> </mtr> </mtable> <mo> ) </mo> </mrow> <annotation encoding='Mathematica'> TagBox[RowBox[List["(", GridBox[List[List[TagBox[RowBox[List["n", "+", "1"]], Identity, Rule[Editable, True]]], List[TagBox["2", Identity, Rule[Editable, True]]]]], ")"]], InterpretTemplate[Function[Binomial[Slot[1], Slot[2]]]], Rule[Editable, False]] </annotation> </semantics> </msup> <mo> ⁢ </mo> <mrow> <munderover> <mo> ∏ </mo> <mrow> <mi> k </mi> <mo> = </mo> <mn> 0 </mn> </mrow> <mi> n </mi> </munderover> <mfrac> <mrow> <mrow> <mrow> <mo> ( </mo> <mrow> <mrow> <mi> a </mi> <mo> ⁢ </mo> <mi> k </mi> </mrow> <mo> + </mo> <mi> x </mi> </mrow> <mo> ) </mo> </mrow> <mo> ! </mo> </mrow> <mo> ⁢ </mo> <mrow> <munderover> <mo> ∏ </mo> <mrow> <mi> l </mi> <mo> = </mo> <mn> 1 </mn> </mrow> <mi> k </mi> </munderover> <mrow> <mo> ( </mo> <mrow> <mrow> <mrow> <mo> ( </mo> <mrow> <mi> k </mi> <mo> + </mo> <mi> l </mi> <mo> - </mo> <mn> 1 </mn> </mrow> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <mi> a </mi> </mrow> <mo> + </mo> <mi> x </mi> <mo> + </mo> <mi> y </mi> <mo> + </mo> <mn> 1 </mn> </mrow> <mo> ) </mo> </mrow> </mrow> </mrow> <mrow> <mrow> <mrow> <mo> ( </mo> <mrow> <mrow> <mi> a </mi> <mo> ⁢ </mo> <mi> k </mi> </mrow> <mo> + </mo> <mi> y </mi> </mrow> <mo> ) </mo> </mrow> <mo> ! </mo> </mrow> <mo> ⁢ </mo> <mrow> <mrow> <mo> ( </mo> <mrow> <mrow> <mn> 2 </mn> <mo> ⁢ </mo> <mi> k </mi> </mrow> <mo> + </mo> <mi> x </mi> <mo> - </mo> <mi> y </mi> </mrow> <mo> ) </mo> </mrow> <mo> ! </mo> </mrow> </mrow> </mfrac> </mrow> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <eq /> <apply> <determinant /> <apply> <ci> Subscript </ci> <apply> <times /> <apply> <times /> <cn type='integer'> 1 </cn> <apply> <power /> <apply> <factorial /> <ci> k </ci> </apply> <cn type='integer'> -1 </cn> </apply> </apply> <apply> <ci> Binomial </ci> <apply> <plus /> <apply> <times /> <ci> a </ci> <ci> k </ci> </apply> <ci> l </ci> <ci> x </ci> </apply> <apply> <plus /> <apply> <times /> <ci> a </ci> <ci> k </ci> </apply> <apply> <times /> <cn type='integer'> -1 </cn> <ci> l </ci> </apply> <ci> y </ci> </apply> </apply> </apply> <list> <list> <apply> <leq /> <cn type='integer'> 0 </cn> <ci> k </ci> <ci> n </ci> </apply> </list> <list> <apply> <leq /> <cn type='integer'> 0 </cn> <ci> l </ci> <ci> n </ci> </apply> </list> </list> </apply> </apply> <apply> <times /> <apply> <power /> <ci> a </ci> <apply> <ci> Binomial </ci> <apply> <plus /> <ci> n </ci> <cn type='integer'> 1 </cn> </apply> <cn type='integer'> 2 </cn> </apply> </apply> <apply> <product /> <bvar> <ci> k </ci> </bvar> <lowlimit> <cn type='integer'> 0 </cn> </lowlimit> <uplimit> <ci> n </ci> </uplimit> <apply> <times /> <apply> <factorial /> <apply> <plus /> <apply> <times /> <ci> a </ci> <ci> k </ci> </apply> <ci> x </ci> </apply> </apply> <apply> <product /> <bvar> <ci> l </ci> </bvar> <lowlimit> <cn type='integer'> 1 </cn> </lowlimit> <uplimit> <ci> k </ci> </uplimit> <apply> <plus /> <apply> <times /> <apply> <plus /> <ci> k </ci> <ci> l </ci> <cn type='integer'> -1 </cn> </apply> <ci> a </ci> </apply> <ci> x </ci> <ci> y </ci> <cn type='integer'> 1 </cn> </apply> </apply> <apply> <power /> <apply> <times /> <apply> <factorial /> <apply> <plus /> <apply> <times /> <ci> a </ci> <ci> k </ci> </apply> <ci> y </ci> </apply> </apply> <apply> <factorial /> <apply> <plus /> <apply> <times /> <cn type='integer'> 2 </cn> <ci> k </ci> </apply> <ci> x </ci> <apply> <times /> <cn type='integer'> -1 </cn> <ci> y </ci> </apply> </apply> </apply> </apply> <cn type='integer'> -1 </cn> </apply> </apply> </apply> </apply> </apply> </annotation-xml> </semantics> </math>
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Date Added to functions.wolfram.com (modification date)
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