已知函数
的零点在区间
上,则
的取值范围为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b60a6cc9f7719382e3c751531413f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
2020高三·全国·专题练习 查看更多[2]
更新时间:2020-08-18 10:30:28
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【知识点】 根据零点所在的区间求参数范围
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【推荐1】已知函数
的零点在区间![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939824873472/1572939830575104/STEM/993a91c3e7e241d0b4f193d87c9f2bb6.png?resizew=56)
,则![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939824873472/1572939830575104/STEM/c024a3e2704d4799aac0c81d0988e65c.png?resizew=25)
____________
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939824873472/1572939830575104/STEM/d1ec054d39cf4000b46fb71874c66fa2.png?resizew=127)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939824873472/1572939830575104/STEM/993a91c3e7e241d0b4f193d87c9f2bb6.png?resizew=56)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939824873472/1572939830575104/STEM/cbd884d01ad44eae951e15cd3128a5e1.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939824873472/1572939830575104/STEM/c024a3e2704d4799aac0c81d0988e65c.png?resizew=25)
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【推荐2】已知函数
的零点位于区间
内,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/690d5a364b167e430f3f466455b09148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2763b57a7399653fbded5264f0cee150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次