first post: latex
by @aidanhurwitz
Last updated 2025-11-26 20:29
This is some latex: Let $f$ be integrable on $[a,b]$. Then $$\left| \int_a^b f \right| \leq \int_a^b \left| f \right|$$
Theorem. Let $A \subset \mathbb{R}$ be an open set. Then $A^C$ is closed.
$$I_3 = \begin{pmatrix}
1&0&0\\
0&1&0\\
0&0&1
\end{pmatrix}$$
~40 words.