dakongyi
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Homework Statement
how to show \lim_{n \to \infty}\frac{\sum_{v=0}^{k}(-1)^v{k \choose v}e^{\sqrt{n-v}}}{2^{-k}n^{-\frac{1}{2}k}e^{\sqrt{n}}}=1, where n \geq k
Homework Equations
NIL
The Attempt at a Solution
I have absolutely no idea how to start.