名校
解题方法
1 . 已知双曲线
的离心率为2,则该双曲线的渐近线方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68126ccac0c47e9f279f92957f7aae51.png)
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名校
解题方法
2 . 已知函数
,则“
”是“
为奇函数”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64bf2026d1e558a76deda579aa92d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.充分而不必要条件 | B.必要而不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
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3 . 已知抛物线
的焦点为
,过
的动直线
与抛物线交于
两点,满足
的直线
有且仅有一条,则抛物线的准线方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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4 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)当
时,求函数
在
上的最小值;
(3)写出实数
的一个值,使得
恒成立,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae77c5783d158610c60c39bb7759c225.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8eca68c4c7478f412183aa275fc7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce7bf4affe75671a45a04c51e881676.png)
(3)写出实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
您最近一年使用:0次
2024-02-27更新
|
816次组卷
|
4卷引用:北京市海淀区北京一零一中2023-2024学年高三下学期统考四(开学考)数学试题
名校
解题方法
5 . 已知
分别是椭圆
的左、右焦点,且焦距为2,动弦
平行于x轴,且
.
(1)求椭圆E的方程;
(2)设
为椭圆E的左右顶点,P为直线
上的一动点(点P不在x轴上),连接
交椭圆于C点,连接
并延长交椭圆于D点,试问是否存在
,使得
成立,若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bba0bd73a215dfef56845811bc856d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89afe7563952b8983fcbc2d47802a406.png)
(1)求椭圆E的方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09d610afe0366d64f2f32a09da21f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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6 . 已知函数
,曲线
在
处的切线方程为
.
(1)求a,b的值:
(2)①求证:
只有一个零点;
②记
的零点为
,曲线
在
处的切线l与x轴的交点横坐标为
.若
,求u的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7614c3a91c2e5f7f0d92d27cbeef9471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3832d863e6cefdfe45cff4319e1fbdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30056990f61f896705dbe3a1fd9d27c.png)
(1)求a,b的值:
(2)①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
②记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152083ec89e6eea813141fda805a3b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64df36fd0b37b72d36fe21e10f5d67f5.png)
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7 . 在无穷项等比数列
中,
为其前n项的和,则“
既有最大值,又有最小值”是“
既有最大值,又有最小值”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846fa57d92d6ad44d6a0cafad1e71ed4.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分又不必要条件 |
您最近一年使用:0次
名校
8 . 已知抛物线
的焦点为
是准线
上一点,直线
与
的一个交点为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1aa85d21a5cca0a5f749e1f6e77bb78.png)
_________ ,
点的横坐标为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f30df549988bcbe2dbe44644422adc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d945b17623cd01fa90180c4d4fca91f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f713a20c94ff7a63e97dd13985ae696e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1aa85d21a5cca0a5f749e1f6e77bb78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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9 . 已知
等差数列
的前
项和,则“
”是“
是递减数列”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ffd501117a477213e78c957f1e0d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.充分而不必要条件 | B.必要而不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-02-27更新
|
853次组卷
|
3卷引用:北京市海淀区人大附中2024届高三下学期寒假自主复习检测数学试题
名校
10 . 已知函数
,
.
(1)若曲线
在点
处的切线与
轴平行,求
的值;
(2)若
恒成立,求
的取值范围;
(3)若实数
,
,
分别满足
且
,
且
,
且
,比较
,
,
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15dd6491ecd14b8794ac31e66ef9c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1f667eb89d5f7a9825bbeca164f8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed546e382c8b552b85e0cce283832bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867a125fd3d899c06802caabea7d91c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e98da8992f1e9d1350124c6aaf37de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5fe1e005137847d349b578e440afa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bba586c32c948a835bb910f43dc7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
您最近一年使用:0次
2024-02-23更新
|
392次组卷
|
2卷引用:北京市西城区北京师范大学附属中学2023-2024学年高三下学期开学测试数学试题