Question 150
If $x$ and $y$ are integers such that
$$
x^{2} y^{2} = x^{2} + y^{2},
$$
prove that $x = y = 0$.
$$
x^{2} y^{2} = x^{2} + y^{2},
$$
prove that $x = y = 0$.
MathNet 2026 — Part 08 Question 150
Math Olympiad Vault · MathNet 2026 — Part 08
Math Olympiad Vault · MathNet 2026 — Part 08