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anonymous
 4 years ago
Help Please!!!
Find the volume of the solid that results when the region enclosed by y=sqrt(x), y=0, and x=1 and is revolved about the line y=1
anonymous
 4 years ago
Help Please!!! Find the volume of the solid that results when the region enclosed by y=sqrt(x), y=0, and x=1 and is revolved about the line y=1

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nikvist
 4 years ago
Best ResponseYou've already chosen the best response.0\[V=2\pi\iint (1y)dxdy=2\pi\int\limits_0^1\left(\int\limits_0^{\sqrt{x}}(1y)dy\right)dx=\]\[=2\pi\int\limits_0^1\left(x^{1/2}\frac{x}{2}\right)dx=2\pi\left(\frac{2}{3}x^{3/2}\frac{x^2}{4}\right)_0^1=\]\[=2\pi\left(\frac{2}{3}\frac{1}{4}\right)=2\pi\cdot\frac{5}{12}=\frac{5\pi}{6}\]
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