$\"\"$

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Find volume generated by $\"\"$ about $\"\"$ .

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Observe the graph: $\"\"$ .

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Integral limits are $\"\"$ and $\"\"$ .

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Volume is about the line $\"\"$ :

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Inner radius: $\"\"$ and Outer radius: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ cubic units.

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$\"\"$

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The volume is $\"\"$ cubic units.