1 . 已知点
和圆
.
(1)求圆
的圆心坐标和半径;
(2)设
为圆
上的点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b73fefcc182cde91d6478a8a166eb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55864178acd73eacc3a4e02ba6a86142.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
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2022-03-05更新
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467次组卷
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2卷引用:天津市河北区2021-2022学年高二上学期期末数学试题