1 . 双曲线
的离心率为
,则双曲线上任意一点
到两焦点
的距离之差的绝对值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ab385a121ff9d4dd3d8469dd52f1cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20838e72faf737614d76fcee82ab6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
A.![]() | B.![]() | C.2 | D.4 |
您最近一年使用:0次
2 . 设椭圆
的左、右焦点分别为
,
,离心率为
.P是C上一点,且
.若
的面积为2,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07685a075c7f979540dab03664d01e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.1 | B.2 | C.![]() | D.4 |
您最近一年使用:0次
2023-04-13更新
|
1039次组卷
|
3卷引用:贵州省黔西南州兴义市义龙蓝天学校2023届高三一模数学(理)试题