This is a test, people. Here’s an apostrophe. Here are “quotes”. & an ampersand, anyone?`
\begin{align}
f(x) &= x_1 + x_2 \\
&= x_3
\end{align}
Creativity and Mathematics
This is a test, people. Here’s an apostrophe. Here are “quotes”. & an ampersand, anyone?`
\begin{align}
f(x) &= x_1 + x_2 \\
&= x_3
\end{align}