∫xexdx\displaystyle\int xe^xdx∫xexdx
u=x,du=dxu=x, du=dxu=x,du=dx
dv=exdx,v=∫exdx=exdv=e^xdx, v=\displaystyle\int e^xdx=e^xdv=exdx,v=∫exdx=ex
V=2π cubic unitsV=2\pi\ cubic\ unitsV=2π cubic units
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