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Thread: Coefficient for Binomial Series

  1. April 25th 2010, 04:41 PM #1
    kiddopop
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    Coefficient for Binomial Series

    Find the coefficient of x^3 in the binomial series for sqrt(1+x).
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  2. April 25th 2010, 07:21 PM #2
    becko
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    binomial series = Taylor series

    Just find the 3rd derivative of sqrt(1+x) and evaluate it at x=0. The coefficient of x^3 is in the Taylor series of f(x) around x=0 is:

    \frac{{f}^{(3)}(0)}{3!}
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