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40A05-ExampleOfIntegralTest.tex
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40A05-ExampleOfIntegralTest.tex
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\documentclass[12pt]{article}
\usepackage{pmmeta}
\pmcanonicalname{ExampleOfIntegralTest}
\pmcreated{2013-03-22 13:37:11}
\pmmodified{2013-03-22 13:37:11}
\pmowner{paolini}{1187}
\pmmodifier{paolini}{1187}
\pmtitle{example of integral test}
\pmrecord{5}{34253}
\pmprivacy{1}
\pmauthor{paolini}{1187}
\pmtype{Example}
\pmcomment{trigger rebuild}
\pmclassification{msc}{40A05}
\endmetadata
% this is the default PlanetMath preamble. as your knowledge
% of TeX increases, you will probably want to edit this, but
% it should be fine as is for beginners.
% almost certainly you want these
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}
% used for TeXing text within eps files
%\usepackage{psfrag}
% need this for including graphics (\includegraphics)
%\usepackage{graphicx}
% for neatly defining theorems and propositions
%\usepackage{amsthm}
% making logically defined graphics
%%%\usepackage{xypic}
% there are many more packages, add them here as you need them
% define commands here
\begin{document}
Consider the series
\[
\sum_{k=1}^\infty \frac 1 {k \log k}.
\]
Since the integral
\[
\int_1^\infty \frac 1 {x \log x}\, dx
= \lim_{M\to \infty} \left[\log (\log(x))\right]_1^M
\]
is divergent also the series considered is divergent.
%%%%%
%%%%%
\end{document}