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Help me integrate this

  1. Aug 20, 2006 #1
    help me integrate this plz

    sqroot( kx + (1/4)(k^2) ) dx

    i wud like to know whether its solvable? and how to do it?
     
    Last edited: Aug 20, 2006
  2. jcsd
  3. Aug 20, 2006 #2

    VietDao29

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    Homework Helper

    So your k is a constant right?
    To do this kind of problem, we usually use the u-substitution:
    u = kx + 1 / 4 k2
    Ok, can you go from here? :)
     
  4. Aug 20, 2006 #3
    ok thanks.... yes k = constant

    2/(3k) * (kx + (1 / 4) k^2 ) ^(3/2)
    is that right?
     
  5. Aug 21, 2006 #4

    VietDao29

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    You are forgetting the Constant of Integration. :)
    Everything else is correct.
     
  6. Aug 21, 2006 #5
    oh yes thanks
     
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