2011·山东青岛·一模
1 . 已知函数
.
(Ⅰ)若
,令函数
,求函数
在
上的极大值、极小值;
(Ⅱ)若函数
在
上恒为单调递增函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f123437102a4c01d8aec6a15d09b8c.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7892193e97bf330eec0782dfb18fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795ee91678ad50ac0bf3ae6dea537d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0052c5c876a5351b1fb3a69dba1e6cf.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346f4e371a0268d852f4a770aab6eb22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
真题
名校
2 . 已知函数
,设
为
的导数,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d726666f99a5a41dd673a2330e377b17.png)
(1)求
的值;
(2)证明:对任意
,等式
都成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd04839992e09539e99ed5c387107e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2da73cbfc250f0e89b8cc4305ca00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d726666f99a5a41dd673a2330e377b17.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027d1bddcee17e62c5fdf902ed350328.png)
(2)证明:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d726666f99a5a41dd673a2330e377b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b14f3e2b0461b9947d2878dfe526209.png)
您最近一年使用:0次
2016-12-03更新
|
2616次组卷
|
12卷引用:江苏省苏州市2019届高三上学期期中调研考试数学试题
江苏省苏州市2019届高三上学期期中调研考试数学试题山西省怀仁市第一中学2020-2021学年高二下学期期中数学(理)试题2014年全国普通高等学校招生统一考试数学(江苏卷)苏教版高中数学 高三二轮 专题24 计数原理数学归纳法随机变量及其分布列 测试(已下线)专题6.6 数学归纳法 (练)-浙江版《2020年高考一轮复习讲练测》专题11.4 数学归纳法(练)-江苏版《2020年高考一轮复习讲练测》专题10.4 推理与证明(练)-江苏版《2020年高考一轮复习讲练测》(已下线)专题33 算法、复数、推理与证明-十年(2011-2020)高考真题数学分项(八)(已下线)专题7.6 数学归纳法(练)-2021年新高考数学一轮复习讲练测(已下线)专题7.6 数学归纳法(练)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)专题20 三角函数及解三角形解答题(文科)-1(已下线)专题20 三角函数及解三角形解答题(理科)-1
2014·江苏南京·三模
名校
3 . 已知函数
.
(1)若曲线
过点
,求曲线
在点
处的切线方程;
(2)求函数
在区间
上的最大值;
(3)若函数
有两个不同的零点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fa33e23d65dd5c2e4a1085d290a36e.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c3316c2f17c0b3a99cc520b6aaa711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811c6fbc93bafee69ded75316ef05122.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3008053cbc94bcbf9f9986a592aca495.png)
您最近一年使用:0次
2016-12-02更新
|
1550次组卷
|
7卷引用:2017届山西运城市高三上学期期中数学(理)试卷
13-14高三上·山西临汾·期中
4 . 已知偶函数
满足:当
时,
,当
时,
.
(1)求当
时,
的表达式;
(2)试讨论:当实数
满足什么条件时,函数
有4个零点,且这4个零点从小到大依次构成等差数列.
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/54de3679e22b4c79aa394121b34be7b2.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/69f2768994354107974650292f59edca.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/f465835ddd4f47028c167e087b8fb7c2.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/c8fbe6df872746a6a67671d589298b0f.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/2b2da44b8ab34ea68d15d320569cee23.png)
(1)求当
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/d19232e8e5ce450f927a3b9822827ecf.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/b6f2c01246284dcb8eebc7d25b39ba72.png)
(2)试讨论:当实数
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/f61f1f497a5c4c93a2d63d2a8009787a.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/2035826045ff4483a7222f39e7d4eb35.png)
您最近一年使用:0次
2011·河北唐山·一模
名校
5 . 已知椭圆
:
的离心率
,左、右焦点分别为
,
,点
满足:
在线段
的中垂线上.
![](https://img.xkw.com/dksih/QBM/2017/4/30/1676775089872896/1678625474207744/STEM/c7e83c812dd4423489255bc9a65973f0.png?resizew=189)
(Ⅰ)求椭圆
的方程;
(Ⅱ)若斜率为
(
)的直线
与
轴、椭圆
顺次相交于点
、
、
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.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/db81446766bb8f493d6fc49e65f0d495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://img.xkw.com/dksih/QBM/2017/4/30/1676775089872896/1678625474207744/STEM/c7e83c812dd4423489255bc9a65973f0.png?resizew=189)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)若斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0922055132e3c821da64e7b38581690a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2017-05-03更新
|
787次组卷
|
3卷引用:山西省晋城市陵川第一中学2016-2017学年高二下学期期中考试数学(文)试题
山西省晋城市陵川第一中学2016-2017学年高二下学期期中考试数学(文)试题辽宁省大连市第二十四中学2018-2019学年高二上学期期中数学试题(已下线)2011届河北省唐山一中高三高考冲刺热身考试文数