已知多项式（x2﹣mx+1）（x﹣2）的积中不含x的二次项系数，则m的值是_刷题宝

题干

已知多项式（x²﹣mx+1）（x﹣2）的积中不含x的二次项系数，则m的值是（　　）

A：1

B：﹣1

C：﹣2

D：2

上一题下一题 0.0难度选择题更新时间:2013-09-10 08:51:01

答案(点此获取答案解析）

C

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