問題詳情
20. 若一元二次方程式ax(x + 1) +(x + 1)(x + 2) + bx(x + 2) =2的兩根為 0 、 2 ，則 |3a+ 4b| 之值為何？
(A) 2
(B) 5
(C) 7
(D) 8
參考答案
無參考答案
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