名校
1 . 已知双曲线
的两个焦点是
、
,点
在双曲线
上.若
的离心率为
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3ed19afd481eb69755dea5d0c21477.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa585b9257ed0798213a9ae9b87d291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0f128d08df53efd55ce7f3822991e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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2021-01-24更新
|
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4卷引用:安徽省六安市新安中学2020-2021学年高二下学期入学考试数学(文)试题
名校
2 . 已知
:方程
表示焦点在
轴上的椭圆,
:双曲线
的离心率
.
(1)若椭圆
的焦点和双曲线
的顶点重合,求实数
的值;
(2)若“
”是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cecde767fa7f83184bb626a3aa000142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f508034489f1237a141ce9c472b72c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97809a6da53e96761dc6fa8badb6c712.png)
(1)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cecde767fa7f83184bb626a3aa000142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f508034489f1237a141ce9c472b72c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-10-12更新
|
664次组卷
|
2卷引用:安徽省滁州市定远县复读学校2020-2021学年高三上学期开学摸底文科数学试题
名校
3 . 若双曲线
的离心率为
,则其渐近线方程为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-10-30更新
|
1365次组卷
|
7卷引用:安徽省安庆市潜山第二中学2019-2020学年高二下学期开学考试数学(理)试题