解题方法
1 . 已知不等式
的解集为
,从
中任取一个数
,则函数
有两个不同的零点的概率是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8462db5e6a51d75197c1522a5d9dbbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0eeaa957b8010dc164ebeab5002632.png)
您最近一年使用:0次
解题方法
2 . 已知
,
,若
,则实数a的取值范围是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d0f555e4bf6a78a9d1e9fc33c90cf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312088cbb0aeb06804024aca4b92395b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
您最近一年使用:0次
2016-12-03更新
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439次组卷
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3卷引用:数学奥林匹克高中训练题_170