圆心在第一象限的圆
,截
轴所得弦长为2,截
轴所得弦长为4,被
轴分成两段圆弧,其弧长的比为
,则圆
的方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84783b6ba0f36789519816101a437f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
更新时间:2023-10-17 18:27:13
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【知识点】 已知圆的弦长求方程或参数
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【推荐2】已知圆C的方程是x2+y2-8x-2y+8=0,直线y=a(x-3)被圆C截得的弦最短时,直线方程为________ .
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