# How do you find the volume of the solid with base region bounded by the curve y=e^x, y=ln4, and the y-axis if cross sections perpendicular to the y-axis are squares?

$A \left(y\right) = {\left(\ln y\right)}^{2}$
$V = {\int}_{1}^{\ln 4} {\left(\ln y\right)}^{2} \mathrm{dy}$.