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[Post New]20 Mar 2007 18:31:03 IST
    Subject: Integration + + + +
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bestmust (7)

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Olaaa!! Perrrfect answer. 1  [2 rates]
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the solution is very simple probably the imagination for you have been difficult ....

ok so now imagine according to me....

the figure is a compilation of many discs or probably cylinders with very small height (dx) above one other...

the radius of the disk (or cylinder) is y component and height is dx .....

so volume is (pi)(r^2)h = (pi)(y^2)dx

now to find the total volume we need to integrate the above function from 0 to 1 ... u might get the answer ....
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