Question

\documentclass[11pt,oneside,letter]{article}
\usepackage{amsmath}
\usepackage{mathtools}
\begin{document}
\begin{align*}
\frac{\delta y}{\delta x} = \int{x^2 \sin(x) dx}
\end{align*}
\end{document}

Answer 1

\[\frac{\delta y}{\delta x} = \int{x^2 \sin(x)}dx\]

Answer 2

\( \text{The answer to life, the universe and everything is }42.\)

Answer 3

\(\text{\bfseries This sentence is bold}\)

Answer 4

\(\color{blue}{\text{This sentence is blue.}}\)

Answer 5

\(\LaTeX{} \)

Answer 6

??