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Putnam
1956 Putnam
A1
Putnam 1956 A1
Putnam 1956 A1
Source: Putnam 1956
July 1, 2022
Putnam
limit
geometric series
Problem Statement
Evaluate \lim_{x\to \infty} \left( \frac{a^x -1}{x(a-1)} \right)^{1\slash x}, where
a
>
0
a>0
a
>
0
and
a
≠
1.
a\ne 1.
a
=
1.
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