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Homework Help: What technique of integration to use here?

  1. Jan 1, 2009 #1
    hey, this isn't really a homework problem but I have this integral that I can't solve cause i haven't studied techniques of integration.

    Any suggesstions

    [tex]\int[/tex][tex]\frac{1}{\sqrt{12x+0.02x^2}}[/tex]
     
  2. jcsd
  3. Jan 1, 2009 #2

    Dick

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    Science Advisor
    Homework Helper

    First you want to complete the square inside of the square root. You'll get something like a*(x+b)^2-c. Then do a trig substitution like c*sec(u)^2=a*(x+b)^2. Try it.
     
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