解题方法
1 . 如图,
,
分别是椭圆的左、右焦点,点P是以
为直径的圆与椭圆在第一象限内的交点,延长
与椭圆交于点Q,若
,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac81a2e562e05bb08d6fb0f7c7a71fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/a43a9492-1755-44d1-a43d-af59f716132d.png?resizew=173)
A.![]() | B.2 | C.![]() | D.3 |
您最近一年使用:0次
2 . 已知椭圆
与双曲线
有相同的焦点
、
,椭圆
的离心率为
,双曲线
的离心率为
,点P为椭圆
与双曲线
的交点,且
,则当
取最大值时
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/31/2b268f97-71af-4ad1-8573-2a2122c79000.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8210484dd6815b5bebc7b22f1389cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62166e3ab8b16f12c27082d437fdbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db634c178cd7bffbd4cb886e3f2cca22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7368021416e7210954d0d7cd21f0fa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ed6e21185ce4b8eadc7c807806bde5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/31/2b268f97-71af-4ad1-8573-2a2122c79000.png?resizew=168)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-01-22更新
|
522次组卷
|
3卷引用:山东省日照市2021-2022学年高二上学期期末校际联合考试数学试题