[理工] [線代] 92清大純數組線代

[cherry770519 (＊桃子＊)]

  此題為92清大純數線代

  If a is a complex number satisfying p(a)=0

  where p(x)=x^3 + x + 2^(1/2)

  prove that a is algebraic over Q(field of rational number)

  of degree 6


  希望能有高手幫忙

  謝謝

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