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MathNet 2022-part-01 — 197 problems (EN–VI) Question 80

Math Olympiad Vault · MathNet 2022-part-01 — 197 problems (EN–VI)

Question 80

The polynomial $p(x)$ with integer coefficients satisfies the equality
$$p(\sqrt{2} + \sqrt{3}) = \sqrt{2} - \sqrt{3}.$$
a) Find all possible values of $p(\sqrt{2} - \sqrt{3})$.
b) Give an example of at least one polynomial $p(x)$ that satisfies the condition.