已知圆的方程为
,过点
作直线l交圆于A、B两点.
(1)当直线l的斜率为1时,求弦AB的长;
(2)当直线l的斜率变化时,求动弦AB的中点Q的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08227ca941898eb34941f446ca8b1de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2719ce8a1c0aaa60da102db5712d63e3.png)
(1)当直线l的斜率为1时,求弦AB的长;
(2)当直线l的斜率变化时,求动弦AB的中点Q的轨迹方程.
22-23高二下·上海静安·期中 查看更多[2]
更新时间:2023-05-14 12:02:06
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