1.

\fA solid is obtained by rotating the shaded region about the specified line. about the yaxis J" [ii (a) Set up an inteng using the method of cylindrical shells For the volume of the solid. =g(:)dx (In) Evaluate the inteng to nd the volume of the solid. S Use the method of cylindrical shells to nd the volume of the solid obtained by rotating the region bounded by the given equations about the xaxis. xr=4, x=o, y=4, y=6 Set up an integral that can be used to determine the volume Vof the solid. 2E /: [ j l i, 4 Find the volume of the solid. S Compute the work done [in Ft-Ib] in hoisting a 1200-\") grand piano from the ground up to the third floor, 40 feet above the ground