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[数论] 整系数多项式

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hbghlyj Posted 2019-7-29 16:53 |Read mode
求所有整系数多项式f(x),使得对任意正整数n,f(n)与$f(2^n)$互素
2019数学协作体第3题

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 Author| hbghlyj Posted 2022-10-25 03:42
aops: Find all polynomials $f(x)$ with integer coefficients such that $f(n)$ and $f(2^{n})$ are co-prime for all natural numbers $n$.
MSE: Finding all such polynomials under a gcd condition
aops: Find all polynomial $f\in \mathbb{Z}[x]$ such that $gcd(f(n),f(2^n))=1$ for all odd positive integer $n$

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