已知函数
,若
有四个解
,
,
满足
,则
的取值范围是______ ,
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9cdc5f63e82d6ed459109f139c00ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2741ca619df1d9ab3d9ced4c49142dc.png)
更新时间:2022-12-17 18:54:49
|
【知识点】 根据函数零点的个数求参数范围
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解题方法
【推荐3】已知函数
,设
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______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ee11ca3256a10e5f94817f3e287ccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a427aee7a856798f193200cec5a835c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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