consider $\displaystyle B>1.$

compute the volume of revolution given the curve $\displaystyle y=\sqrt xe^{-x^2}$ between $\displaystyle y=\sqrt Be^{-B^2}$ and $\displaystyle y=e^{-1}$ revolving the $\displaystyle x$ axis.

don't know how to set up the integral.

thanks for the help.