The volume of a solid of revolution can be found using the method of washers, which is given by the formula:
$$
V = \pi \int_{a}^{b} [R(x)]^2 - [r(x)]^2 \, dx
$$
where $R(x)$ is the outer radius, $r(x)$ is the inner radius, and $a$ and $b$ are the limits of
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