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   http://functions.wolfram.com/02.11.23.0001.01
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    Sum[Infinity, {k, 0, m}] == Infinity 
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   Cell[BoxData[RowBox[List[" ", RowBox[List[RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["k", "=", "0"]], "m"], "Infinity"]], "\[Equal]", "Infinity"]]]]]] 
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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>  <munderover>  <mo> ∑ </mo>  <mrow>  <mi> k </mi>  <mo> = </mo>  <mn> 0 </mn>  </mrow>  <mi> m </mi>  </munderover>  <mi> ∞ </mi>  </mrow>  <mo>  </mo>  <mi> ∞ </mi>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <eq />  <apply>  <sum />  <bvar>  <ci> k </ci>  </bvar>  <lowlimit>  <cn type='integer'> 0 </cn>  </lowlimit>  <uplimit>  <ci> m </ci>  </uplimit>  <infinity />  </apply>  <infinity />  </apply>  </annotation-xml>  </semantics>  </math> 
   
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  | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["k_", "=", "0"]], "m_"], "\[Infinity]"]], "]"]], "\[RuleDelayed]", "\[Infinity]"]]]]  |  
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   Date Added to functions.wolfram.com (modification date)
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