方程
的解在区间
内,
,则
=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a41dc49ed948fae615e36463d94ff2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6da13a6f2f05959e51387c6d392c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
11-12高一上·江苏无锡·期中 查看更多[2]
更新时间:2016-12-01 02:08:26
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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】函数
的零点所在区间为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7c36b7a3fd9a10b4638d5da284f023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc4178935c1823a545ec8c1227f10c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf910f82c3094b267a3d481d23d829f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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【推荐2】若函数
在区间
上有零点,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d23f8519bef790d7a8b230fbf720a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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