1 . 设直线
,圆
,若在圆
上存在两点
,
,在直线
上存在一点
,使得
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4455c613d9b500f3bf11ce0cf1fa7ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0989c783f781623d4555eae9df63515a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3afe666651f907e0a0a93e6dd6ff559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-11-07更新
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748次组卷
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2卷引用:江苏省太仓市明德高级中学2017-2018学年高二上期中复习(直线与圆)数学试题