1<?xml version="1.0" encoding="UTF-8"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd" [<!ENTITY mathml 'http://www.w3.org/1998/Math/MathML'>]> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4<head><title>bessel21</title> 5<!-- MathML created with MathCast Equation Editor version 0.92 --> 6</head> 7<body> 8<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> 9 <mrow> 10 <msub> 11 <mi>I</mi> 12 <mn>0</mn> 13 </msub> 14 <mfenced> 15 <mrow> 16 <mi>x</mi> 17 </mrow> 18 </mfenced> 19 <mo>≈</mo> 20 <mo>[</mo> 21 <mfrac> 22 <mi>x</mi> 23 <mn>2</mn> 24 </mfrac> 25 <msup> 26 <mo>]</mo> 27 <mn>2</mn> 28 </msup> 29 <mi>P</mi> 30 <mfenced> 31 <mrow> 32 <mo>[</mo> 33 <mfrac> 34 <mi>x</mi> 35 <mn>2</mn> 36 </mfrac> 37 <msup> 38 <mo>]</mo> 39 <mn>2</mn> 40 </msup> 41 </mrow> 42 </mfenced> 43 <mo>+</mo> 44 <mn>1</mn> 45 <mspace width="1.0em"/> 46 <mo>;</mo> 47 <mspace width="1.0em"/> 48 <mi>x</mi> 49 <mo><</mo> 50 <mn>7.75</mn> 51 </mrow> 52</math></body> 53</html>