問題詳情
（ ）5.設sin q ﹑cos q 為方程式3x2 - x + k = 0的兩根﹐則下列何者正確﹖
(A)
(B)
(C)
(D)
﹒
(A)
(B)
(C)
(D)
﹒
參考答案
答案：A,D[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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