問題詳情
7. 因式分解x4－1＝（x2＋1）（x＋1）（x－1），則下列哪一個不是x4－1的因式？
(A)x＋
(B)－x＋
(C)x2－
(D) x4＋1
(A)x＋
(B)－x＋
(C)x2－
(D) x4＋1
參考答案
無參考答案
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