1 . 在平面直角坐标系
中,动圆M与圆
相内切,且与直线
相切,记动圆圆心M的轨迹为曲线C.
(1)求曲线C的方程;
(2)过点
的直线l与曲线C交于A,B两点,分别以A,B为切点作曲线C的切线
,直线
相交于点P.若
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0182254bb5f0bcdfc0f041038e42e235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
(1)求曲线C的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3182f32cc4f57ff13155ada0231d606f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8818b57c17156896351898969668efc.png)
您最近一年使用:0次
2022-05-20更新
|
1021次组卷
|
3卷引用:广东省潮州市2023届高三模拟数学试题