已知函数f(x)=
,g(x)=x2-2x-a,若方程f(x)=g(x)有4个不同的实根x1,x2,x3,x4(x1<x2<x3<x4),则a(x1+x4-x3)的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca2a2e086d2699523f04c6309243c27.png)
2021·全国·模拟预测 查看更多[4]
(已下线)2021年新高考测评卷数学(第八模拟)河北省名校联盟2021届高三二模数学试题(已下线)专题3-4 压轴小题导数技巧:多元变量(多参) - 1(已下线)专题2-5 函数与导数压轴小题归类-1
更新时间:2022-03-05 22:58:29
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