Question 118
Find the sum
$$
\sum_{k \in A} \frac{1}{k-1}
$$
if $A = \{m^n : m, n \in \mathbb{Z}, m, n \ge 2\}$.
$$
\sum_{k \in A} \frac{1}{k-1}
$$
if $A = \{m^n : m, n \in \mathbb{Z}, m, n \ge 2\}$.
MathNet 2003 — Part 02 Question 118
Math Olympiad Vault · MathNet 2003 — Part 02