1 . 若实轴长为2的双曲线
上恰有4个不同的点
满足
,其中
,
,则双曲线C的虚轴长的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad29d7c31087e13e266793832af17bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de25799b89e589407065dae98d61d086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5a6ad215584ca01895369b13dadec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b47e7bf02b3ca16f7d96b9369e51a3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-08-01更新
|
1410次组卷
|
7卷引用:安徽省皖西南联盟2018-2019学年高二下学期期末联考数学(理)试题
2 . 点M为双曲线
上任意一点,点O是坐标原点,则
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acca1c00ee33a8d7aabf1d626541259e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3d833dad7bda8887fdfcaf00bb4c49.png)
A.1 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2019-03-02更新
|
933次组卷
|
3卷引用:【全国百强校】北京师大附中2018-2019学年高二上学期期末考试数学试题
【全国百强校】北京师大附中2018-2019学年高二上学期期末考试数学试题(已下线)【新教材精创】3.2.2+双曲线的简单几何性质(1)-A基础练-人教A版高中数学选择性必修第一册北师大版(2019) 选修第一册 数学奇书 学业评价(十七) 双曲线方程及性质的应用
名校
3 . 已知点
,
,若曲线
上存在点
,使得
,则称曲线
为“
曲线”,给出下列曲线:①
;②
;③
;④
;⑤
.其中是“
曲线”的所有序号为_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.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/45293375bd6d5dd24ecd7bb0c6bb6895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d584deba2de24042daa75726c67803d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16d1b1c4f6ae3b46ce8be922bf5186a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28123e129b6426c9a5f31ad8ec2465b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f1596d3e260ec2198058d1b94ed7e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c28b4f0234b698f001e7dec787b4d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d584deba2de24042daa75726c67803d9.png)
您最近一年使用:0次
2018-03-10更新
|
1242次组卷
|
2卷引用:山东省烟台市2018届高三上学期期末自主练习数学(文)试题2