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# How do you find the volume of y=2x^2; y=0; x=2 revolved about the x axis?

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May 24, 2018

There is a mistake: $x = 0$ (not y) and $x = 2$
See explanation below

#### Explanation:

The x-axis is the revolution axis, then

V=int_0^2piy^2dx=4piint_0^2x^4dx=4pi/5x^5]_0^2=128pi/5

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