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Set up and evaluate the integral that gives the volume of the solid formed by revolving the region about the y - axis.

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Set up and evaluate the integral that gives the volume of the solid formed by revolving the region about the y - axis.

asked Feb 16, 2015 in CALCULUS by anonymous

1 Answer

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Step 1:

Disk method:

The curve equation is image.

Vertical axis of revolution.

Formula for the volume of solid with the disk method, .

image

Solve for image.

image

image.

Step 2:

In this case image .

From the graph, integral limits are image.

Volume of the solid is image

image

image

image

image cubic units.

Solution:

image cubic units.

answered Feb 17, 2015 by david Expert

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