수학식 예제
\( \{x| a\leq x\leq b\} \)
\( \overrightarrow{OA}+\overrightarrow{AC}=\overrightarrow{OC} \)
\( \left\{ \begin{matrix} {-3x+y=-3} \\ {3x-3y=-3} \\ \end{matrix} \right. \)
\( \log (a^{n})=n\times \log (a) \)
\( \displaystyle \sum _{i=0}^{n}f(x)\Delta x \)
\( \displaystyle \int _{a}^{b}f(x)dx \)