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8. 若3x3 -2x2 -3x+2=(x+1)(ax2 -bx+2),則a+b=?(3-1, P112)(A)3 (B)8 (C)13 (D)28。
問題詳情
8. 若3x3 -2x2 -3x+2=(x+1)(ax2 -bx+2),則a+b=?(3-1, P112)
(A)3
(B)8
(C)13
(D)28。
參考答案
答案:B
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