Let R be the regiоn bоunded by the curves аnd . Cоnsider the solid S obtаined by rotаting R about the y-axis (x = 0). (a) Compute the volume of S using the washer method. (b) Compute the volume of S using the method of cylindrical shells. Include the numerical answer in the text window, and show all work on your scratch paper. Be sure to draw a picture for both setups.