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Math Help - Basic Integration

  1. #1
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    Basic Integration

    I have a problem where i have to find the volume of an object rotating around an axis. The problem is my end value keeps comming out negative. I think the problem is in my integration.

    How would i integrate (-x^2)(√(x+5))? Thanks
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  2. #2
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    Quote Originally Posted by Juggalomike View Post
    I have a problem where i have to find the volume of an object rotating around an axis. The problem is my end value keeps comming out negative. I think the problem is in my integration.
    How would i integrate (-x^2)(√(x+5))? Thanks
    Go to this website Wolfram|Alpha
    In the input window, type in this exact expression: integrate -x^2(sqrt[x+5])dx (you can copy & paste)
    Click the equals bar at the right-hand end of the input window.
    Be sure you click ‘show steps’ to see the solution
    .
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