名校
1 . 已知函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1515b8e35f3402287b94351892ad299.png)
A.函数![]() ![]() |
B.若函数![]() ![]() ![]() |
C.若函数![]() ![]() ![]() ![]() |
D.若函数![]() ![]() ![]() |
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2022-12-20更新
|
811次组卷
|
5卷引用:重庆市黔江中学校2023-2024学年高一上学期12月月考数学试卷
名校
2 . 设函数
,
(
),则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757f48efd9a569a73e212fa8ac37ae9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b7f77b5469a2e2265ea6655342e27d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
A.函数![]() ![]() |
B.若函数![]() ![]() |
C.若函数![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() |
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2021-11-09更新
|
690次组卷
|
3卷引用:重庆市黔江中学校2023-2024学年高一上学期11月月考数学试题
名校
解题方法
3 . 已知椭圆焦点在
轴上过点
,且离心率为
.
(1)求椭圆
的方程;
(2)
,
为椭圆
的左、右顶点,直线
:
与
轴交于点
,点
是椭圆
:
上异于
,
的动点,直线
,
分别交直线
于
,
两点.证明:
恒为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c778e409fe63e187a09444bc888e8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc48974114e23f5a801843710c7ae21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63c44c0c0d28181912f0744083f91b1.png)
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