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Integration- (Substitution Rule) Help

  1. Jan 5, 2009 #1
    1. The problem statement, all variables and given/known data
    Alright heres the problem. Also it is a definite integral from A=0 and b = 1
    [tex]\int (x^7)(x^4-1)^{1/3}[/tex]

    Any help is good.
     
  2. jcsd
  3. Jan 5, 2009 #2

    HallsofIvy

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    Well, what have you tried? There is only one subsitution that would make any sense and that is u= x4- 1. What do you get if you try that substitution?
     
  4. Jan 5, 2009 #3
    Ok right, exactly. And the new a and b would become a = -1 and b = 0 correct?
     
  5. Jan 5, 2009 #4
    Thanks, I got it now!!1
     
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