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Integration with square roots HELP!

  1. Dec 1, 2011 #1
    1. The problem statement, all variables and given/known data

    (8x+1)^0.5

    2. Relevant equations



    3. The attempt at a solution

    I tried using substitution but it clearly doesn't work because nothing in the brackets equals when derived.

    Anyone help me with the beginning steps?
     
  2. jcsd
  3. Dec 1, 2011 #2

    Dick

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    Substitute u=8x+1. I don't understand what your problem with that would be.
     
  4. Dec 1, 2011 #3
    Yes, you are correct. I guess i had some other weird method in my head :S Substitution works, sorry!

    Thanks!
     
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