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MathNet 2023-part-05 — 191 problems (EN–VI) Question 144

Math Olympiad Vault · MathNet 2023-part-05 — 191 problems (EN–VI)

Question 144

Does there exist $P(x, y)$ such that $P(x, y)^2 + 2022$ is divisible by $x^2 + y^2 + 2023$?