Alternative Equation Formats

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

MathML

Sn−1=∑l=1n−1Xl

MathML rendered with MathJax

Sn−1=∑l=1n−1Xl

Math as LaTeX Source

$S_{n-1} = \sum _{l=1}^{n-1} X_ l$