已知圆
的方程为
,则圆心
的坐标为_________ ,半径![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae47f4aad78bf3ff71a509679a1c4691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
2021·浙江绍兴·二模 查看更多[2]
更新时间:2021-05-11 20:18:30
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【知识点】 由圆的一般方程确定圆心和半径
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【推荐2】已知双曲线
,则圆
的圆心C到双曲线渐近线的距离为______ .
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