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MathNet 2023-part-04 — 191 problems (EN–VI) Question 30

Math Olympiad Vault · MathNet 2023-part-04 — 191 problems (EN–VI)

Question 30

For all positive real numbers $u$ and $v$, prove
$$
\min \left\{ u, \frac{100}{v}, v + \frac{2023}{u} \right\} \le \sqrt{2123}.
$$
Here $\min X$ denotes the minimum element of $X$.