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Taylor Series

  1. Nov 21, 2007 #1
    1. The problem statement, all variables and given/known data

    Let f(x) = 1/(x^2+x+1).

    Let f(x) = sum(from o to infinity) Cn x^n be the McLaurin Series representation for f(x). Find the value of C36-C37+C38.

    2. Relevant equations

    3. The attempt at a solution

    I got the Taylor Series:

    sum(from o to infinity) x^3n - sum(from o to infinity)x^(3n+1).

    but have absolutely no idea what to do next. Please help!!!:cry:
  2. jcsd
  3. Nov 21, 2007 #2


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    Science Advisor

    What is C_n if n is a multiple of 3? If n is one more than a multiple of 3? If n is one less than a multiple of 3?
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