問題詳情
8. 下列方程式中，何者的解是相異兩根？
(A) 9x2－6x＋1＝0
(B) 2x2－2x＋4＝0
(C) x2＋4x＋4＝0
(D) x2－9＝0
(A) 9x2－6x＋1＝0
(B) 2x2－2x＋4＝0
(C) x2＋4x＋4＝0
(D) x2－9＝0
參考答案
無參考答案
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