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How do I integrate ?

  1. Jul 15, 2006 #1
    [tex]
    \int{ \frac{x^2}{\sqrt{4-x^2}} }
    [/tex]

    How would I do that?
    I tried integrating by parts, letting u = x^2 and v' = 1/sqrt(4-x^2) and many other combinations, but I just can't seem to get the result.
     
  2. jcsd
  3. Jul 15, 2006 #2

    matt grime

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    A trig substitution will work, surely.
     
  4. Jul 15, 2006 #3

    HallsofIvy

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    Let [itex] x= 2 sin(\theta)[/itex]
     
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