\begin{frame}
  \frametitle{Fundamental Theorem of Calculus}
  
  \fundamental
  \medskip

  \begin{exampleblock}{}
    Evaluate
    \begin{talign}
      \int_3^6 \frac{1}{x}dx
    \end{talign}
    \pause
        
    An antiderivative of $f(x) = \frac{1}{x}$ is $F(x) = \pause \ln |x|$. 
    \pause
    Then
    \begin{talign}
      \int_3^6 \frac{1}{x}dx = \mpause[1]{\ln |x| \Big]_3^6} \mpause{= \ln 6 - \ln 3} \mpause{= \ln \frac{6}{3}} \mpause{= \ln 2}
    \end{talign}
  \end{exampleblock}
  \vspace{10cm} 
\end{frame}