I need to find the limit for:
$ \lim_{n\to\infty} \frac {(n!)^\frac{1}{n}}{n} $
I know the answer is $\frac {1}{e}$ but I have no idea how to get that answer.
I'd appreciate some help.
I have injection $f \colon A \rightarrow B$ and I want to get bijection. Can I just resting codomain to $f(A)$? I know that every function i...
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