已知圆E经过点A(0,0), B(4,2),且圆心在直线x+y-1=0上.
(1)求圆E的标准方程;
(2)求过点P(-1,7)的圆E的切线方程.
(1)求圆E的标准方程;
(2)求过点P(-1,7)的圆E的切线方程.
更新时间:2022-11-10 10:30:47
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【推荐1】已知圆C经过点
,
两点,且圆心C在直线
上.
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【推荐2】已知圆
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,且线段
的垂直平分线在两坐标轴上截距之和为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8a12b9d1737693254877486ae6b8852.png)
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【推荐1】已知圆
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(2)已知点
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【推荐2】已知圆
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