Math Through Answer

Ref: http://www.artofproblemsolving.com/LaTeX/AoPS_L_BasicMath.php

\documentclass{article}
\begin{document}
The solution to $\sqrt{x} = 5$ is $x=25$.
\end{document}

$(a) sqrt{25}=5$

(a) $sqrt{25}=5$

\sqrt[root]{25}

$\sqrt[3]{x+y}$ ----http://www.personal.ceu.hu/tex/math.htm

$\sqrt[root]{25}$

$\sqrt[2]{25}$

$\sqrt[]{25}$

$\sqrt[]{25}=5$


http://www.andy-roberts.net/misc/latex/latextutorial9.html

\frac{x+y}{y-z}
$\frac{x+y}{y-z}$
$frac{x+y}{y-z}$
$$(\frac{x^2}{y^3})$$

[ math] ...... [ /math]
[ math] 2+1 [ /math]
$2+1$
[math]
1+1 = 4/2
[/math]