Question 70
Determine all triples $(x, y, z)$ of nonnegative integers satisfying
$$
2^{x} + 3^{y} = z^{2}
$$
$$
2^{x} + 3^{y} = z^{2}
$$
MathNet 2020 — Math Olympiad Vault — Part 02 Question 70
Math Olympiad Vault · MathNet 2020 — Math Olympiad Vault — Part 02