Sqrt[a z] == Sqrt[a] Sqrt[z] /; a > 0
Cell[BoxData[RowBox[List[RowBox[List[SqrtBox[RowBox[List["a", " ", "z"]]], "\[Equal]", RowBox[List[SqrtBox["a"], SqrtBox["z"]]]]], "/;", RowBox[List["a", ">", "0"]]]]]]
<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <msqrt> <mrow> <mi> a </mi> <mo> ⁢ </mo> <mi> z </mi> </mrow> </msqrt> <mo> ⩵ </mo> <mrow> <msqrt> <mi> a </mi> </msqrt> <mo> ⁢ </mo> <msqrt> <mi> z </mi> </msqrt> </mrow> </mrow> <mo> /; </mo> <mrow> <mi> a </mi> <mo> > </mo> <mn> 0 </mn> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Condition </ci> <apply> <eq /> <apply> <power /> <apply> <times /> <ci> a </ci> <ci> z </ci> </apply> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <apply> <times /> <apply> <power /> <ci> a </ci> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <apply> <power /> <ci> z </ci> <cn type='rational'> 1 <sep /> 2 </cn> </apply> </apply> </apply> <apply> <gt /> <ci> a </ci> <cn type='integer'> 0 </cn> </apply> </apply> </annotation-xml> </semantics> </math>
Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", SqrtBox[RowBox[List["a_", " ", "z_"]]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List[SqrtBox["a"], " ", SqrtBox["z"]]], "/;", RowBox[List["a", ">", "0"]]]]]]]]
2001-10-29