\begin{frame} \frametitle{Differentiation Rules: Chain Rule} \begin{block}{} \begin{malign} (f\circ g)'(x) \;=\; f'(g(x)) \cdot g'(x) \end{malign} \end{block} \pause \begin{block}{} In general (combining the power and chain rule) we have: \begin{talign} \frac{d}{dx}[g(x)]^n \;=\; \mpause[1]{ n\cdot[g(x)]^{n-1} \cdot g'(x) } \end{talign} if $g(x)$ is differentiable. \end{block} \pause\pause \begin{exampleblock}{} Differentiate \begin{talign} f(x) = \frac{1}{\sqrt[3]{x^2+ x+ 1}} \end{talign} \pause We have \begin{talign} f(x) &= (x^2+ x+ 1)^{-\frac{1}{3}}\\ \mpause[1]{f'(x) }&\mpause[1]{= }\mpause[2]{-\frac{1}{3} \cdot (x^2+ x+ 1)^{-\frac{4}{3}} \cdot (2x+1)} \end{talign} \end{exampleblock} \vspace{10cm} \end{frame}