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RyanChan
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Does the following sum converge?

$\lim_{n\to\infty}\sum_{k=0}^{\lfloor\alpha n \rfloor}C_n^k(-1)^k(1-\frac{k}{\alpha n})$, where $C_n^k$ is the binomial coefficient and $0 <\alpha <1$.

RyanChan
  • 550
  • 2
  • 10