设双曲线
的离心率为
,双曲线
的离心率为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adedecca4e1db46fefc3bc7cb8dbaa2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d089e9b137edac891ad4c350ca0829d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
22-23高三上·江西南昌·阶段练习 查看更多[2]
更新时间:2022-10-30 11:43:39
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适中
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【推荐1】在数列
中,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04147dd60172fe8bfaea406d83908db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9786eb87ed72d74eef18e77dadee5c.png)
A.260 | B.860 | C.1011 | D.2022 |
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适中
(0.65)
名校
【推荐2】已知
,
,满足
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9338b4562fe2d41548310e5208837bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450203f4133388c2ae1ea8717514a50c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3594ec932adcb6267d908590dcb4656c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8a9d10a6ca5334d22b64c8059def7b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
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适中
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解题方法
【推荐1】已知双曲线
,点
是直线
上任意一点,若圆
与双曲线
的右支没有公共点,则双曲线的离心率取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c77b935e3feb7e4b373abc50f73dc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cebd0ff419444bfbb82a474101a199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知双曲线C:
(
,
)的左,右焦点分别为
,
,A为C的左顶点,以
为直径的圆与C的一条渐近线交于P,Q两点,且
,则双曲线C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.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/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51cbd7433dbd70fcd8a5653411155446.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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