1 . 设函数
,且关于
的方程
恰有3个不同的实数根
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7921f529ac6ca1179c4e281fcb7832c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5969c35cfd4733b8c5960fe67f2f198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafaeedddee618f5e86a5f2efd15b2cd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-02-26更新
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916次组卷
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3卷引用:河北辛集中学高一上学期数学限时训练试卷
A.![]() | B.![]() | C.![]() | D.![]() |