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>jacobi1</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>u</mi> 13 <mspace width="1em"/> 14 <mo>=</mo> 15 <mspace width="1em"/> 16 <munderover> 17 <mo>∫</mo> 18 <mrow> 19 <mn>0</mn> 20 </mrow> 21 <mi>φ</mi> 22 </munderover> 23 <mfrac> 24 <mrow> 25 <mi>d</mi> 26 <mi>φ</mi> 27 </mrow> 28 <mrow> 29 <msqrt> 30 <mfenced> 31 <mrow> 32 <mn>1</mn> 33 <mo>−</mo> 34 <msup> 35 <mi>k</mi> 36 <mn>2</mn> 37 </msup> 38 <msup> 39 <mi>sin</mi> 40 <mn>2</mn> 41 </msup> 42 <mi>φ</mi> 43 </mrow> 44 </mfenced> 45 </msqrt> 46 </mrow> 47 </mfrac> 48 </mrow> 49</math> 50</body> 51</html> 52