1 . 在平面直角坐标系
中,
,
是圆
上两动点,且
,点
坐标为
,则
的取值范围为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abfc2bd1e4990c52f28dfada3ca187b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe47cabbc991709fe67404b143c89a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8395b5b9132f6e6ae909424320fb1706.png)
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2020-05-25更新
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3卷引用:江苏省无锡市、常州市2019-2020学年高三下学期5月联考数学试题