Given the closed region formed by the graphs y = 3x and y = x 2 in the first quadrant. If this region is revolved about the y-axis, a solid is formed. (A) Set up the definite integral you would use to find the volume of the solid using disks or washers. Make a sketch showing typical disks or a typical washer. (B) Set up the definite integral you would use to find the volume of the solid using cylindrical shells. Make a sketch showing a typical shell.

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