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Solving Integral ∫ x/(4-x) dx

  1. Feb 15, 2005 #1
    quite simple but need some help:

    ∫ x/(4-x) dx.


    when there's ∫f'(x)/f(x) you can use natural log but waht about this


    full workings or some tips anyone?


    Thanks.
     
  2. jcsd
  3. Feb 15, 2005 #2

    arildno

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    Hint: Add to the numerator 0=4-4
     
  4. Feb 15, 2005 #3
    erm so you get
    ∫ 4/(4-x) dx - ∫1 dx ?
     
  5. Feb 15, 2005 #4

    arildno

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    That was the idea, yes.
     
  6. Feb 15, 2005 #5
    cheers!






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