Question 151
Find all triples $(x, y, z)$ of positive integers such that
$$
3^{x} + 4^{y} = 5^{z}
$$
$$
3^{x} + 4^{y} = 5^{z}
$$
MathNet 2010 — Part 05 Question 151
Math Olympiad Vault · MathNet 2010 — Part 05
Math Olympiad Vault · MathNet 2010 — Part 05