http://i249.photobucket.com/albums/g...ORKDIAGRAM.jpg a) R1 about OC b) R1 about BC
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Using the washer method, the volume of revolution about the x-axis is: $\displaystyle V_x=\pi\int_0^1 (x-x^6)dx$ You can do the volume around the y-axis: $\displaystyle V_y=\pi\int_0^1\bigg(g(y)^2-h(y)^2\bigg) dy$
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