7.1 Integration By Parts/3

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle \begin{align} \int\,x\cos5xdx \\[2ex] u=x\qquad dv=\cos5xdx \\[2ex] du=dx\qquad v=\frac{1}{5}\sin5x \end{align} }