1<?xml version='1.0'?> 2<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN' 3 'http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd' 4 [<!ENTITY mathml 'http://www.w3.org/1998/Math/MathML'>]> 5<html xmlns='http://www.w3.org/1999/xhtml'> 6<head><title>hypergeometric2</title> 7<!-- MathML created with MathCast Equation Editor version 0.89 --> 8</head> 9<body> 10<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> 11 <mrow> 12 <mi>N</mi> 13 <mo>!</mo> 14 <mspace width="1em"/> 15 <mo>=</mo> 16 <mspace width="1em"/> 17 <munderover> 18 <mo>∏</mo> 19 <mrow> 20 <mi>i</mi> 21 <mo>=</mo> 22 <mn>0</mn> 23 </mrow> 24 <mrow> 25 <msub> 26 <mi>p</mi> 27 <mi>i</mi> 28 </msub> 29 <mo><</mo> 30 <mi>N</mi> 31 </mrow> 32 </munderover> 33 <msup> 34 <mrow> 35 <msub> 36 <mi>p</mi> 37 <mi>i</mi> 38 </msub> 39 </mrow> 40 <mrow> 41 <msub> 42 <mi>e</mi> 43 <mi>i</mi> 44 </msub> 45 </mrow> 46 </msup> 47 </mrow> 48</math> 49</body> 50</html> 51