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Homework Help: Antiderivatives problem

  1. Jul 11, 2011 #1

    [tex]= 2/3/sqrt[(x+3x)^2+1] [/tex] is this the answer?:confused:

    i dont knw how to solve it stepbystep..
    can someone show me pls?
    Last edited by a moderator: Jul 11, 2011
  2. jcsd
  3. Jul 11, 2011 #2


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    hi redfilth

    this could be a good candidate for substitution - can you think of a good one to try?
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