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Homework Help: What's the integral of u''(x)/u'(x)?

  1. Sep 20, 2007 #1
    What's the integral of u''(x)/u'(x)?
     
  2. jcsd
  3. Sep 20, 2007 #2
    you need to do u substitution
     
  4. Sep 20, 2007 #3

    dynamicsolo

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    If you were to call v = u'(x), what would u''(x) be? You can make a new integral in terms of v. If the result tells you what v is, you can now substitute back to find an expression in terms of u.
     
  5. Sep 20, 2007 #4
    Of course, thank you!
     
  6. Sep 21, 2007 #5
    Btw, how is u'' to be pronounced?

    u prime prime? u double prime?
     
  7. Sep 21, 2007 #6

    dynamicsolo

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    "u double prime" is typical.
     
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