設三次實係數多項式，若 f ( x) 的偶數次項係數和為−6，且 f ( x) 除以 x − 1/2 的餘式為 8，則下列敘述哪些正確？(1) a = −5 (2) b = 4 (C) f (

問題詳情

3. 設三次實係數多項式

，若 f ( x) 的偶數次項係數和為−6，且 f ( x) 除以 x − 1/2 的餘式為 8，則下列敘述哪些正確？(1) a = −5 (2) b = 4
(C) f ( x) 的各項係數和−5
(D) 方程式 f( x) = 0 有三個實根
(E) f ( x) 除以 x 2− 2 x −3 的餘式為2x+ 5

參考答案

答案：A,C,D
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)

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