how to use normal text in equation latex code example
Example 1: latex normal text in equation
\usepackage{amsmath}
$...\text{normal text}...$
Example 2: writing insidemath mode latex
$...\textrm{normal text}...$
\usepackage{amsmath}
$...\text{normal text}...$
$...\textrm{normal text}...$