1 . 已知
,若关于
方程
恰有4个不相等的实根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668eeb246d8717aa820345b6da14a7ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3c9f814c640d3e196c01c3cb81723e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-26更新
|
491次组卷
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2卷引用:内蒙古鄂尔多斯市2018-2019学年高三上学期期中考试数学(理)试卷
名校
2 .
是R上可导的奇函数,
是
的导函数已知
时
,
,则不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2437d40a85a950a06b1824312ddfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9c89d2cd1fb46b1e71ad10227c098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89874d187ba9607da8bcbccd31b121d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1b6c145c2c987f4a9ca9ff00acd7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e349cae85159e3a1da743eac27baef9.png)
您最近一年使用:0次
2019-02-20更新
|
881次组卷
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3卷引用:内蒙古赤峰市2021届高三上学期12月双百金科大联考数学(理)试题