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Can I do this? (integral)

  1. Sep 12, 2007 #1
    [SOLVED] Can I do this? (integral)

    [tex]\int(\sqrt{x}+\frac{1}{\sqrt{x}})^2dx[/tex] sum of a product ... simplify

    [tex]\int(x+2+\frac{1}{x})dx[/tex] integrating ...

    [tex]\frac{1}{2}x^2+2x+\ln{x}[/tex]
     
  2. jcsd
  3. Sep 12, 2007 #2

    learningphysics

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    Looks correct to me.
     
  4. Sep 12, 2007 #3

    Kurdt

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    Looks ok to me.
     
  5. Sep 12, 2007 #4
    damn i love math :-] idk why i didn't think about doing it earlier.
     
  6. Sep 12, 2007 #5
    Just some technicalities, [itex]\int \frac{dx}{x} = ln |x| [/itex]. and [itex]\sqrt{x}^2=|x|[/itex] dont think it affects anything really but if x was to be an odd power in the final answer I think it would need to be given as a parametric equation.
     
  7. Sep 13, 2007 #6

    HallsofIvy

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    And you certainly should have "+ C"!!
     
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