名校
解题方法
1 . 设直线
与双曲线
交于M,N两个不同的点,F为右焦点.
(1)求双曲线C的渐近线方程及两条渐近线所夹的锐角;
(2)当
时,设直线
与C交于M,N,三角形
面积为S,判断:是否存在k使得
成立?若存在求出k的值,否则说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e4ccee557002a8087c215c6efbe50c.png)
(1)求双曲线C的渐近线方程及两条渐近线所夹的锐角;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5bb314392941c85f9d63ecaa9113bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7354a832bd005c5405cf5ec234aea493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24786e4b1ca74feb04e78577f5ba62b4.png)
您最近一年使用:0次
2 . 已知双曲线
:
与椭圆
有公共焦点,
的左、右焦点分别为
,
,且经过点
,则下列说法正确的是( )
![](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/d80b861ba40387cb2bcd04945f5a371a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/de6140983d54ff07307ec65bddd7320e.png)
A.双曲线![]() ![]() |
B.若直线![]() ![]() ![]() |
C.设![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若动直线![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2021-11-06更新
|
3319次组卷
|
8卷引用:河北省九师联盟2021-2022学年高二上学期期中数学试题
名校
解题方法
3 . 已知实数
,
满足
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca5119a1b317b5ea532c3016c56377c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d542ed1e804d44f12f9905b8179a2e5f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-01-29更新
|
2927次组卷
|
5卷引用:浙江省杭州市七县市2020-2021学年高二上学期期末数学试题
浙江省杭州市七县市2020-2021学年高二上学期期末数学试题(已下线)【新东方】高中数学20210304-007(已下线)【新东方】高中数学20210429—005【2020】【高二上】黑龙江省哈尔滨市第三中学2021-2022学年高二上学期10月月考数学试题安徽省皖北五校联盟2024届高三第二次联考数学试卷