Challenging limit

Calculus Level 5

limnk=0n2(nkk)12nk=? \large \lim_{n\to\infty} \sum_{k=0}^{ \big\lfloor \frac n2 \big \rfloor } \binom{n-k}k \frac1{2^{n-k}} = \, ?

×

Problem Loading...

Note Loading...

Set Loading...