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Homework Help: Stuck with this integration

  1. Jan 28, 2013 #1
    1. The problem statement, all variables and given/known data
    Evaluate:

    ##\int -1 to 1 log((2-x)/(2+x)) dx##



    2. Relevant equations

    imgFig2.gif



    3. The attempt at a solution

    okay so normal attempt at integration wont work coz then we get log 1
    what am i supposed to do i tried applying some general formulas of definite integral but i dont seem to get the answer :confused:
     
  2. jcsd
  3. Jan 28, 2013 #2

    Dick

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    Science Advisor
    Homework Helper

    Can you show what you did using normal integration? I actually don't think log(1) is really wrong. But how did you get it?
     
  4. Jan 28, 2013 #3
    This logarithmic identity should get you going:

    ## log\frac{a}{b} = log(a)-log(b) ##

    I agree with Dick though, you have the correct answer.
     
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