Integration By Parts

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  • #1
a.a
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Homework Statement



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]
 
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Answers and Replies

  • #2
dx
Homework Helper
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x arctan(x) - ½ ln(1 + x²) evaluated at x = 0 is (0 - 0).
 
  • #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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