名校
解题方法
1 . 已知双曲线
的左、右顶点分别为
,右焦点为
,点P为C上一动点(异于
两点),直线
和直线
与直线
分别交于M,N两点,当
垂直于x轴时,
的面积为2.
(1)求C的方程;
(2)求证:
为定值,并求出该定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb896431d786abdd2f47329ec1f257f4.png)
(1)求C的方程;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07505530a9ec2f9c8a23e3c9eafa313.png)
您最近一年使用:0次
2022-10-28更新
|
1452次组卷
|
4卷引用:湖北省十堰市丹江口市第一中学2021-2022学年高三下学期模拟数学试题(二)
名校
解题方法
2 . 已知双曲线
的右焦点为
,渐近线方程为
.
(1)求双曲线C的标准方程;
(2)设D为双曲线C的右顶点,直线l与双曲线C交于不同于D的E,F两点,若以
为直径的圆经过点D,且
于点G,证明:存在定点H,使
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8639f8fa866c17565dd4f75970665765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63f162c4846a76cadee56ae2f42e37c.png)
(1)求双曲线C的标准方程;
(2)设D为双曲线C的右顶点,直线l与双曲线C交于不同于D的E,F两点,若以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce50eeb654ef50f36a582c785f273ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac90c4158636c076ef1d0d45df68be88.png)
您最近一年使用:0次
2023-01-10更新
|
1524次组卷
|
6卷引用:湖北省十堰市2022-2023学年高二上学期期末数学试题
名校
解题方法
3 . 已知双曲线
过点
,且C的渐近线方程为
.
(1)求C的方程.
(2)A,B为C的实轴端点,Q为C上异于A,B的任意一点,
与y轴分别交于M,N两点,证明:以
为直径的圆过两个定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41900c447140586d8f03c47a66127291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e0d4e3e322585fefe4c25020eda176.png)
(1)求C的方程.
(2)A,B为C的实轴端点,Q为C上异于A,B的任意一点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ca520748c8b8d3878fb112a89ada7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2022-01-16更新
|
540次组卷
|
3卷引用:湖北省十堰市2021-2022学年高二上学期元月期末数学试题