名校
解题方法
1 . 已知双曲线
的上下两个顶点分别是
,上下两个焦点分别是
,P是双曲线上异于
的任意一点,给出下列命题,其中是真命题的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965017ac28701e1bc9afe7668c751950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
A.渐近线方程为![]() |
B.直线![]() ![]() |
C.使![]() |
D.焦点到渐近线的距离等于b |
您最近一年使用:0次
2 . 已知
、
分别为双曲线
的左右焦点,且
,
,
成等比数列(
为双曲线的半焦距),点
为双曲线右支上的点,点
为
的内心.若
成立,则下列结论正确的是( )
![](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/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2456de68440c59f7959028f9bb99ea80.png)
A.当![]() ![]() | B.离心率![]() |
C.![]() | D.点![]() ![]() |
您最近一年使用:0次
2021-01-28更新
|
463次组卷
|
3卷引用:湖南省永州市2020-2021学年高二上学期期末数学试题
2020·全国·模拟预测
3 . 已知圆
与双曲线
的四个交点的连线构成的四边形的面积为
,若
为圆
与双曲线
在第一象限内的交点,
为双曲线
的右焦点,且
(
为坐标原点),则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e133eb3bb45bc93ecc88a186d7be937b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce41b0b466d210869648ca3514d082f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874dc0ca5c3bd44691252c414e33cd9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.双曲线![]() ![]() |
B.双曲线![]() ![]() ![]() ![]() ![]() ![]() |
C.圆![]() ![]() ![]() ![]() |
D.若以双曲线![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次