已知圆C:
,直线l:
.
(1)求证:对
,直线l与圆C总有两个交点;
(2)设直线l与圆C交于点A,
,若定点
满足
,求此时直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd580f1e99fc16f8c3cda2bee6b2dc2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ccf32d6b4dea0906bb097f3083cd8bb.png)
(1)求证:对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(2)设直线l与圆C交于点A,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797c488729678e74e0825c2e92b544b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a54dbf1347334c75d15d7e53e078ba.png)
更新时间:2021-10-26 20:51:38
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解题方法
【推荐1】已知点
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【推荐2】已知直角三角形ABC的顶点A的坐标为
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解题方法
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