Notice that when each line segment is revolved around the axis, it produces a band. These bands are actually pieces of cones (think of an ice cream cone with the pointy end cut off). A piece of a cone like this is called a frustum of a cone. To find the surface area of...
Answer to: (a) The region in the given figure is rotated around the x-axis. Using the strip shown, write an integral giving the volume. (b)...