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Message: <blockquote data-quote="fly_marlin" data-source="post: 8495563" data-attributes="member: 660781">Just make sure you can identify the axis of rotation. If there is a whole in the middle of solid of revolution, simply make sure your radius is from the inner edge to the other edge. Identifying the limits of integration is also important. Also, be sure you understand which variable you're differentiating with respect to. If you can visualize (graphing helps a lot) the curve and all the bounds, you can quickly solve for or identify all the needed info:1. Limits of integration.2. Radius of the solid of revolution.3. Variable you're integrating with respect to.</blockquote>

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