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Math Help - Question about using Disc Method to find volumes..

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    Question about using Disc Method to find volumes..

    I have forgotten how to use disc method and need help to make sure that I am doing it right.

    If I was revolving around x= 5, lets say and its to the right of the volume... would i make it: integral from a to b (5-R(y)^2 - (5-r(y))^2 dy???
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by nuwin View Post
    I have forgotten how to use disc method and need help to make sure that I am doing it right.

    If I was revolving around x= 5, lets say and its to the right of the volume... would i make it: integral from a to b (5-R(y)^2 - (5-r(y))^2 dy???
    it depends. you have to be more specific
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