6.2 Volumes/9

$y^{2}=x,x=2y$ \begin{align} \int_{0}^{4}\pi [2y-y^2]dx \\[2ex] &= \pi[2(4)-(4)^{2} \end{align} </math>

Failed to parse (Conversion error. Server ("https://en.wikipedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle ={\frac {64pi}{15}}}