Prove or disprove the following:
For any positive integer \( n \), there exists a polynomial \( P_n \) of degree \( n^2 \) such that
(1) all coefficients of \( P_n \) are integers with absolute value at most \( n^2 \), and
(2) \( 1 \) is a root of \( P_n =0 \) with multiplicity at least \( n \).
The best solution was submitted by 박기찬 (KAIST 새내기과정학부 22학번, +4). Congratulations!
Here is the best solution of problem 2022-10
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