# Alternative Equation Formats

The equation on this page is available in multiple formats.
Depending on your browser, some formats might not render correctly.

## MathML

$$\sqrt{\frac{1+|r|}{1-|r|}}$$

## MathML rendered with MathJax

$$\sqrt{\frac{1+|r|}{1-|r|}}$$

## Math as LaTeX Source

\[ \sqrt {\frac{1+|r|}{1-|r|}} \]