设
、
是两定点,
,动点P满足
,则动点P的轨迹是( )
![](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/f4428ec56246b35cb87bfe7ed50f0ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450f820d4598d103c374bee7d2690579.png)
A.双曲线 | B.双曲线的一支 | C.一条射线 | D.轨迹不存在 |
23-24高二上·广东东莞·期中 查看更多[3]
广东省东莞市第十高级中学2023-2024学年高二上学期12月期中考试数学试题(已下线)第三章:圆锥曲线的方程章末重点题型复习-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)3.2.1 双曲线及其标准方程【第一练】“上好三节课,做好三套题“高中数学素养晋级之路
更新时间:2023-12-10 15:03:41
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【推荐1】已知双曲线
,
,
分别是双曲线
的两个焦点.点
在双曲线
上,且
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d20a85e650cd32cb00351b31669296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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A.11 | B.3或11 | C.13 | D.1或13 |
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解题方法
【推荐2】设双曲线
:
的左,右焦点分别为
,
,过
的直线与双曲线的右支交于A,B两点,若
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d863bc97172967c8f17c2103d5f23e97.png)
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A.4 | B.2 | C.![]() | D.![]() |
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【推荐1】已知圆
与圆
,动圆
同时与圆
及
相外切,则动圆圆心
的轨迹为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0dc3f0df9773b8eb211a18501917fef.png)
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A.椭圆 | B.椭圆和一条直线 |
C.双曲线和一条射线 | D.双曲线的一支 |
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【推荐2】平面上动点
到点
的距离与它到直线
的距离之比为
,则动点
的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e584f799ea554fc5533925ead4672501.png)
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A.双曲线 | B.抛物线 | C.椭圆 | D.圆 |
您最近一年使用:0次