已知双曲线
,则“
”是“双曲线
的离心率为
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f98a22056c8531ed361d07c9326f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
2024·山东泰安·二模 查看更多[3]
更新时间:2024-06-07 22:50:04
|
相似题推荐
单选题
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适中
(0.65)
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【推荐1】
是
的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28874f65193d751439b573998c5f8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1df1d512b02a59daa1f9da171b0f2d8.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分又不必要条件 |
您最近一年使用:0次
单选题
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适中
(0.65)
【推荐2】已知
,
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98fd0debcddc27fc11e19824ba0a85d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ad1e6b0684ea01ce0398672c8a9dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
单选题
|
适中
(0.65)
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【推荐1】已知双曲线
中,左右顶点为
,左焦点为
,
为虚轴的上端点,点
在线段
上(不含端点),满足
,且这样的P点有两个,则双曲线离心率
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e609b156d088b68d5e81c83d5b5522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
【推荐2】已知双曲线
的左、右顶点分别为
为
的右焦点,
的离心率为2,若
为
右支上一点,
,记
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0972e63da53ef4786b5ed9a08ac11d29.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6b1b6dff64da6361a58577d2382951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cf632e630c68f73259fb20db4c537e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b9aceea086efe900c1faebf33ae5ac.png)
A.![]() | B.1 | C.![]() | D.2 |
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