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Homework Help: Having troubl with this integration!

  1. Apr 18, 2010 #1
    1. The problem statement, all variables and given/known data

    Integrate 4X * sqrt( 4-X^2) dX from [-sqrt(2), sqrt(2)]

    2. Relevant equations
    Should I use integration by parts?

    3. The attempt at a solution
  2. jcsd
  3. Apr 18, 2010 #2
    Trig sub should work
  4. Apr 18, 2010 #3


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    Science Advisor

    Neither integration by parts nor a trig substitution. Let [itex]u= 4- x^2[/itex].
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