JMO 1992 Problem 3

Prove the inequality $\sum_{k=1}^{n-1} \frac{n}{n-k}\cdot \frac{1}{2^{k-1}}<4\ (n\geq 2)$ .

Dataset text AoPS wiki problems. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.