名校
1 . 若函数
的一个零点在
区间内,另一个零点在
区间内,则实数a的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ffeb1d2eea57d0b79103750ec19a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
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2 . 若方程
的根
,则整数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2dc6af4f92071782bb6dc298872daf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63de16d5c2bb408c12e2cbf8aaed8e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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11-12高三上·江苏泰州·期末
名校
3 . 在平面直角坐标系xOy中,设直线
和圆
相切,其中m,
,若函数
的零点
,则k=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51c8de112599ddfffb9e1bf1d9a2501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66fe84040f296d30bb7a5a7d2dea3c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e80801d3bfba70916b54189e041525c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5fbaa1c7fae23b83c541e851982f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d180dca4ffbe6049bc61c3b92dfc8d.png)
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12-13高三·江苏无锡·开学考试
4 . 若方程
的解所在区间为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8843e51b8a92f772850c59cdc03a00e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05b041b955061dba93493287504e479.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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11-12高一上·江苏无锡·期中
名校
5 . 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)
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