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MathNet 2018-part-07 — 177 problems (EN–VI) Question 36

Math Olympiad Vault · MathNet 2018-part-07 — 177 problems (EN–VI)

Question 36

Compute the smallest positive integer $n$ for which

$$
\sqrt{100+\sqrt{n}}+\sqrt{100-\sqrt{n}}
$$

is an integer.