\begin{align} \label{aa} f(x) = \frac{d}{dx}\int_{a}^{x}f(t)\;dt. \end{align} Label test: (\ref{aa})
KTUG 한국 텍 사용자 그룹
\begin{align} \label{aa} f(x) = \frac{d}{dx}\int_{a}^{x}f(t)\;dt. \end{align} Label test: (\ref{aa})
\begin{align} \label{aa} f(x) = \frac{d}{dx}\int_{a}^{x}f(t)\;dt. \end{align} Label test: (\ref{aa})