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Math Help - find radius of convergence

  1. #1
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    find radius of convergence

    find a power series representation. please help with the radius of convergence.

    heres the function:

    f(x) = x^3/(x-3)^2

    thanks for helping.
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  2. #2
    Super Member Rebesques's Avatar
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    Unless I have done some stupid mistake (as usual ). This holds for |x|<3, so determine the radius of convergence from the function.
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