Q: What does $\euler$ evaluate to?
A: $0$
Q: State the first DeMorgan Law
A:
$$
\neg \left( P \land Q \right) \equiv \neg P \lor \neg Q
$$
Q: What is the inverse of a 2x2 matrix?
A:
$$
\begin{pmatrix}
a & b \\
c & d
\end{pmatrix}^{-1} = \frac{1}{ad - bc} \begin{pmatrix}
d & -b \\
-c & a
\end{pmatrix}
$$
Q: What does `\theta` render?
A: $\theta$
C: The TeX command `\alpha` renders as [$\alpha$].