在平面直角坐标系中,已知
,
,动点
满足
.
(1)若
,求
面积的最大值;
(2)已知
,是否存在点C,使得
,若存在,求点C的个数;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b47e7bf02b3ca16f7d96b9369e51a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5efaa483a4a9930ec7d87cceb930d12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8212d4e7a06f2688d9bf4493dc6c5f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c412d5329ba909164329663b7eecdfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316e624ef846b569d016dd186b5ed9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845ab39077a1e5ba0fa124a4b4d10fbf.png)
更新时间:2020-02-14 08:41:18
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d6fa3c4afc0813aed97ef5c336c746.png)
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