[代數] 一題關於irreducible的代數題目
K is a field
if f(x)=a_0+a_1*x+...+a_n*x^n in K[x] has degree n and is irreducible,
then a_n+a_n-1*x+...+a_0*x^n is irreducible, too.
請問這該如何解呢?
想了很久 無從下手
麻煩各位了 謝謝!
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