名校
1 . 已知
、
是双曲线或椭圆的左、右焦点,若椭圆或双曲线上存在点
,使得点
,且存在△
,则称此椭圆或双曲线存在“
点”,下列曲线中存在“
点”的是( )
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6adab224b9e3552b032249e6149671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5a8e1bc9748e5519dcd9981b7eb251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-07-27更新
|
803次组卷
|
6卷引用:知识点01 角与弧度-【提升专练】2021-2022学年高一数学新教材同步学案+课时对点练(苏教版2019必修第一册)
(已下线)知识点01 角与弧度-【提升专练】2021-2022学年高一数学新教材同步学案+课时对点练(苏教版2019必修第一册)(已下线)第03讲 双曲线及其标准方程-【帮课堂】(已下线)3.2 双曲线-2021-2022学年高二数学同步精品课堂讲+例+测(苏教版2019选择性必修第一册)(已下线)3.2 双曲线-2021-2022学年高二数学尖子生同步培优题典(人教A版2019选择性必修第一册)福建省福州第一中学2020-2021学年高二上学期期中考试数学试题(已下线)模块综合练02 解析几何-2022年高考数学(理)一轮复习小题多维练(全国通用)
名校
2 . 已知曲线
的方程为
,集合
,若对于任意的
,都存在
,使得
成立,则称曲线
为
曲线.下列方程所表示的曲线中,是
曲线的有__________ (写出所有
曲线的序号)
①
;②
;③
;④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2329774440278b274651ca465704a856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242bf4798347268bb0a91ae60add9770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c69570b1b328171feaed59bee6c391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8179de39efea4b316b803a812e744f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da3ff6f17be99ec311610efa08ba002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d0d6263a110ba78c04e523a8e38f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d0d6263a110ba78c04e523a8e38f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d0d6263a110ba78c04e523a8e38f70.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a243cb09d8c5236e3c2c5eb0f6d1314.png)
您最近一年使用:0次
2020-01-01更新
|
516次组卷
|
2卷引用:河北省廊坊市第一中学2021-2022学年高一上学期12月考试数学试题