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Mathematics 18 Online
OpenStudy (anonymous):

Really need help! Let R be the region in the xy-plane between the graphs of y = ex and y = e-x from x = 0 to x = 2. a) Find the volume of the solid generated when R is revolved about the x-axis.

OpenStudy (turingtest):

|dw:1330883111811:dw|\[R=\int_{0}^{2}e^x-e^{-x}dx\]now what method do you think will work for the revolution?

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