21-22高二·全国·课后作业
1 . 判断下列各点是否在椭圆
上,并画出椭圆和点:
(1)
;
(2)
;
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b747db7eaf469c6d1607e4b0d028299f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c457252182f28392cd3a46b568c23a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6419152065edb8cabf887b65adb4a73.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135438dd8cd5191a6daa59b3a275b3a9.png)
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2022-03-05更新
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291次组卷
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3卷引用:1.1 椭圆及其标准方程