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Integration By Parts

  1. Apr 20, 2009 #1

    a.a

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

    In question 6, where does the -(0-0) part come from. The instructor did this for another question, question number 3 as well except in the other question the resulting value was a non-zero one and thus affected the answer..
    any help appericiated.

    http://www.math.mcmaster.ca/lovric/solLS2/assg16byparts_solutions.html [Broken]
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Apr 20, 2009 #2

    dx

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    x arctan(x) - ½ ln(1 + x²) evaluated at x = 0 is (0 - 0).
     
  4. Apr 20, 2009 #3

    a.a

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    ohh.. so for number 3, at x=0 its 0-1/9

    THANK YOU!
    i dont know how i missed that
     
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