名校
解题方法
1 . 如图所示,已知
是椭圆
的左、右焦点,
为椭圆的上顶点,
在
轴上,
,且
是
的中点,
为坐标原点,若点
到直线
的距离为3,则椭圆
的方程为( )
![](https://img.xkw.com/dksih/QBM/2021/12/31/2884424741871616/2887940946935808/STEM/12ffac7e909f489fa1224fc3ffb45514.png?resizew=231)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41466f8074d6cb76c7a5cf7f7a87413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2021/12/31/2884424741871616/2887940946935808/STEM/12ffac7e909f489fa1224fc3ffb45514.png?resizew=231)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-01-06更新
|
994次组卷
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7卷引用:黑龙江省齐齐哈尔市2021-2022学年高二上学期期末数学试题