Question

Let R be the region bounded by y = x2 + 1, y = 0, x...

Let R be the region bounded by y = x2 + 1, y = 0, x = 1, and x = 2. Graph the region R. Find the volume of the solid generated when R is revolved about the y-axis using (a) the Washer Method and (b) the Shell Method.

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