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Power




Mathematica Notation

Traditional Notation









Elementary Functions > Power[z,a] > Transformations > Products, sums, and powers of the direct function > Products of the direct function





http://functions.wolfram.com/01.02.16.0041.01









  


  








Input Form





Subscript[x, 1]^a Subscript[x, 2]^a == (-1)^(2 a) (Subscript[x, 1] Subscript[x, 2])^a /; Subscript[x, 1] < 0 && Subscript[x, 2] < 0








Standard Form





Cell[BoxData[RowBox[List[RowBox[List[RowBox[List[SubsuperscriptBox["x", "1", "a"], " ", SubsuperscriptBox["x", "2", "a"]]], " ", "\[Equal]", RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["2", "a"]]], SuperscriptBox[RowBox[List["(", RowBox[List[SubscriptBox["x", "1"], " ", SubscriptBox["x", "2"]]], ")"]], "a"]]]]], "/;", RowBox[List[RowBox[List[SubscriptBox["x", "1"], "<", "0"]], " ", "\[And]", " ", RowBox[List[SubscriptBox["x", "2"], "<", "0"]]]]]]]]








MathML Form







<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <mrow> <msubsup> <mi> x </mi> <mn> 1 </mn> <mi> a </mi> </msubsup> <mo> &#8290; </mo> <msubsup> <mi> x </mi> <mn> 2 </mn> <mi> a </mi> </msubsup> </mrow> <mo> &#10869; </mo> <mrow> <msup> <mrow> <mo> ( </mo> <mrow> <mo> - </mo> <mn> 1 </mn> </mrow> <mo> ) </mo> </mrow> <mrow> <mn> 2 </mn> <mo> &#8290; </mo> <mi> a </mi> </mrow> </msup> <mo> &#8290; </mo> <msup> <mrow> <mo> ( </mo> <mrow> <msub> <mi> x </mi> <mn> 1 </mn> </msub> <mo> &#8290; </mo> <msub> <mi> x </mi> <mn> 2 </mn> </msub> </mrow> <mo> ) </mo> </mrow> <mi> a </mi> </msup> </mrow> </mrow> <mo> /; </mo> <mrow> <mrow> <msub> <mi> x </mi> <mn> 1 </mn> </msub> <mo> &lt; </mo> <mn> 0 </mn> </mrow> <mo> &#8743; </mo> <mrow> <msub> <mi> x </mi> <mn> 2 </mn> </msub> <mo> &lt; </mo> <mn> 0 </mn> </mrow> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Condition </ci> <apply> <eq /> <apply> <times /> <apply> <power /> <apply> <ci> Subscript </ci> <ci> x </ci> <cn type='integer'> 1 </cn> </apply> <ci> a </ci> </apply> <apply> <power /> <apply> <ci> Subscript </ci> <ci> x </ci> <cn type='integer'> 2 </cn> </apply> <ci> a </ci> </apply> </apply> <apply> <times /> <apply> <power /> <cn type='integer'> -1 </cn> <apply> <times /> <cn type='integer'> 2 </cn> <ci> a </ci> </apply> </apply> <apply> <power /> <apply> <times /> <apply> <ci> Subscript </ci> <ci> x </ci> <cn type='integer'> 1 </cn> </apply> <apply> <ci> Subscript </ci> <ci> x </ci> <cn type='integer'> 2 </cn> </apply> </apply> <ci> a </ci> </apply> </apply> </apply> <apply> <and /> <apply> <lt /> <apply> <ci> Subscript </ci> <ci> x </ci> <cn type='integer'> 1 </cn> </apply> <cn type='integer'> 0 </cn> </apply> <apply> <lt /> <apply> <ci> Subscript </ci> <ci> x </ci> <cn type='integer'> 2 </cn> </apply> <cn type='integer'> 0 </cn> </apply> </apply> </apply> </annotation-xml> </semantics> </math>










Rule Form





Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[SubsuperscriptBox["x_", "1", "a_"], " ", SubsuperscriptBox["x_", "2", "a_"]]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["2", " ", "a"]]], " ", SuperscriptBox[RowBox[List["(", RowBox[List[SubscriptBox["xx", "1"], " ", SubscriptBox["xx", "2"]]], ")"]], "a"]]], "/;", RowBox[List[RowBox[List[SubscriptBox["xx", "1"], "<", "0"]], "&&", RowBox[List[SubscriptBox["xx", "2"], "<", "0"]]]]]]]]]]


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





2001-10-29