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IMO LongList 1985 CUB1 - Find the limit
IMO LongList 1985 CUB1 - Find the limit
Source:
September 10, 2010
limit
algebra unsolved
algebra
Problem Statement
Set
A
n
=
∑
k
=
1
n
k
6
2
k
.
A_n=\sum_{k=1}^n \frac{k^6}{2^k}.
A
n
=
k
=
1
∑
n
2
k
k
6
.
Find
lim
n
→
∞
A
n
.
\lim_{n\to\infty} A_n.
lim
n
→
∞
A
n
.
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