1 . 已知圆C经过三点
,
,
.
(1)求圆C的标准方程;
(2)过点
作直线交圆C于P、Q两点,点
为圆C内一点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3de32e9600fe1f96dde546a4be74cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c72762328d6e65c9c06f8a3d6fa1abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8afd0c502453ea825d24dd5596db08e.png)
(1)求圆C的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79dbefeef8b858149bc3dcf7b2ebb133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71fb572a6f07dcade5332bea766020f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d36626c9e45a25e8dc5bf4be4dbbfb3.png)
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2020-03-13更新
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3卷引用:甘肃省天水市第一中学2021-2022学年高二下学期学业水平模拟考试(二)数学试题