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>hypergeometric4</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>f</mi> 13 <mfenced> 14 <mrow> 15 <mi>k</mi> 16 <mo>;</mo> 17 <mi>r</mi> 18 <mo>,</mo> 19 <mi>n</mi> 20 <mo>,</mo> 21 <mi>N</mi> 22 </mrow> 23 </mfenced> 24 <mspace width="1em"/> 25 <mo>=</mo> 26 <mspace width="1em"/> 27 <munderover> 28 <mo>∏</mo> 29 <mrow> 30 <mi>i</mi> 31 <mo>=</mo> 32 <mn>0</mn> 33 </mrow> 34 <mrow> 35 <msub> 36 <mi>p</mi> 37 <mi>i</mi> 38 </msub> 39 <mo><</mo> 40 <mi>N</mi> 41 </mrow> 42 </munderover> 43 <msup> 44 <mrow> 45 <msub> 46 <mi>p</mi> 47 <mi>i</mi> 48 </msub> 49 </mrow> 50 <mrow> 51 <msub> 52 <mi>e</mi> 53 <mi>i</mi> 54 </msub> 55 </mrow> 56 </msup> 57 </mrow> 58</math> 59</body> 60</html> 61