# Formula:KLS:01.01:06

**Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \sigma_n=\int_a^b\left\{p_n(x)\right\}^2w(x)\,dx }}**

## Constraint(s)

**Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle n=0,1,2,\ldots}}**

## Proof

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## Symbols List

**Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \int}}**
: integral : http://dlmf.nist.gov/1.4#iv

## Bibliography

Equation in Section 1.1 of **KLS**.

## URL links

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