1. Find the volume of the solid obtained by rotating the region bounded by y : sec2 3:, :1: = 0, it = E, and y = 0 about the :Eaxis. (Here is the graph of the region: https : //www . desmos . com/calculator/wtawnhzcj j) (I; 2. Evaluate the integral / m to convert the integral to an integral of a rational function, and then using partial fractions. a: da: by rst using the substitution u : e