若圆
与
轴有公共点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ba7c7b58691bb5b3832e9572f41063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2021-09-21 06:21:25
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【推荐2】方程
表示圆,则
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【推荐1】已知抛物线
上三点
,直线
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斜率之积是___ ;线段
中点的纵坐标的取值范围是_______ .
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【推荐2】已知直线
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