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A problem about integral

  1. Jan 8, 2012 #1
    could you look at this problem please. thanks for now.

    [tex]\int_{2}^{4}\frac{\sqrt{ln\left ( 9-x \right )}}{\sqrt{ln\left ( 9-x \right )}+\sqrt{ln(x+3)}}dx[/tex]
     
  2. jcsd
  3. Jan 8, 2012 #2
  4. Jan 9, 2012 #3
    Use u=9-x and v = 3+x then add both integrals.
     
  5. Jan 9, 2012 #4
    See attachment :
     

    Attached Files:

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