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Power series representation

  1. May 14, 2010 #1
    D0%7D%5E%7B%5Cinfty%7D2(-1)%5En%5Cfrac%7Bx%5E%7B4n%2B3%7D%7D%7B(4n%2B2)(4n%2B3)%7D%2B%5BC%3D0%5D.jpg |x|<1 by the ratio test
  2. jcsd
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Can you offer guidance or do you also need help?