$\LaTeX$ no Blogger

Basta adicionar o script abaixo no cabeçalho do código HTML do seu modelo (Modelo > Editar HTML).


<script type='text/x-mathjax-config'>
// <![CDATA[
MathJax.Hub.Config({tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']],
displayMath: [['\\[','\\]'], ['$$','$$']]}});
blogger.ui().viewType_.prototype.onRenderComplete=function(){
MathJax.Hub.Queue(['Typeset',MathJax.Hub])
};
// ]]>
</script>
<!-- script src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML' type='text/javascript'>
</script -->


<script src='http://cdn.mathjax.org/mathjax/latest/MathJax.js' type='text/javascript'>
MathJax.Hub.Config({
HTML: [&quot;input/TeX&quot;,&quot;output/HTML-CSS&quot;],
TeX: { extensions: [&quot;AMSmath.js&quot;,&quot;AMSsymbols.js&quot;],
equationNumbers: { autoNumber: &quot;AMS&quot; } },
extensions: [&quot;tex2jax.js&quot;],
jax: [&quot;input/TeX&quot;,&quot;output/HTML-CSS&quot;],
tex2jax: { inlineMath: [ [&#39;$&#39;,&#39;$&#39;], [&quot;\\(&quot;,&quot;\\)&quot;] ],
displayMath: [ [&#39;$$&#39;,&#39;$$&#39;], [&quot;\\[&quot;,&quot;\\]&quot;] ],
processEscapes: true },
&quot;HTML-CSS&quot;: { availableFonts: [&quot;TeX&quot;],
linebreaks: { automatic: true } }
});
</script>


Exemplos:

$x^3\equiv1\pmod{63}$
$mdc(a,m)=1 \Rightarrow a^{\phi(m)} \equiv 1 \pmod{m}$ (Teo. de Euler)
$\int_0^\infty{e^{-2t}sen(t)\,dt}$

Fonte: MathJax