已知双曲线
的离心率为
,该双曲线的渐近线与圆
交于
、
两点,则
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1230b5cd115c18657d91009e165cb33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.4 | B.![]() | C.![]() | D.8 |
23-24高二上·重庆·期中 查看更多[2]
更新时间:2023-11-18 11:27:13
|
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适中
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解题方法
【推荐1】关于圆
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff86e4ea0f632b52950f009628306188.png)
A.k的取值范围是![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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【推荐2】设直线
与圆
,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4724460f166027be52a360438835875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87945cb5a0766b4b738ec10b4bf0683.png)
A.![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() |
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【推荐1】已知椭圆
与双曲线
,
有公共焦点
(左焦点),
(右焦点),且两条曲线在第一象限的交点为
,若△
是以
为底边的等腰三角形,
,
的离心率分别为
和
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709acc5af647b45e3307e7d87ce48dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89dec925af9bb7c803c2017ca244254d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed130905e44efaa04c192a07107b1436.png)
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![](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/bd5a8e1bc9748e5519dcd9981b7eb251.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4ee8eae9288ec8fb1b017f4278aa85.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐2】已知曲线
分别为曲线
的左右焦点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c54341fb930d01abc8b45beb16bf76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.若![]() ![]() ![]() |
B.若曲线![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
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【推荐1】已知双曲线
的左、右焦点分别为
,过
的直线交C的右支于点A,B,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e8b0e042ca783f3d994702758efc57.png)
A.![]() | B.C的渐近线方程为![]() |
C.![]() | D.![]() ![]() |
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【推荐2】已知双曲线C:
的左、右焦点分别是
,
,过
作圆
的切线l,切点为M,且直线l与双曲线C的左、右两支分别交于A,B两点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若M是![]() ![]() |
您最近一年使用:0次