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Math Help - Help on a Power Series Question!

  1. #1
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    Help on a Power Series Question!

    HI could anyone help me with this power series question............dont know where to start!!!



    Thanks
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  2. #2
    Master Of Puppets
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     f(x) = f(0) + f'(0)x + f''(0)\frac{x^2}{2!}+\dots

    You have to find the relevant derivatives of f(x) for this.

    For the power series question use

     (1-x)^{-n} = 1- \frac{nx}{1!}+\frac{n(n+1)x^2}{2!}-\frac{n(n+1)(n+2)x^3}{3!}+\dots
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  3. #3
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    Im still confused i understand power series very little.
    Could you show me how to answer the first part?
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