已知函数
,若函数
有3个零点,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3114a8e7383396f457e75ac39e19c9f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94828c9c906eb75de991b0d82c75dd30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-10-22 07:14:43
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【推荐1】设
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【推荐2】已知函数
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【推荐1】已知函数
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②若
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③若
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个零点,
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①
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②若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
③若
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④若
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其中正确命题的序号为
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【推荐3】若函数
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