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[数论] $x^5+x±p^n$不可约

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hbghlyj posted 2023-3-17 18:11 |Read mode
Aufgabe 981. 如果 $n\in\mathbb N$、$p$ 为素数、$p^n>2$,则多项式 $f(x)=x^5+x±p^n$在 $\mathbb Z$ 上不可约。

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