10-11高三·浙江杭州·阶段练习
解题方法
1 . 已知函数
.
(1)如果
,求
的单调区间和极值;
(2)如果
,
,
,
,函数
在
处取得极值.
(i)求证:
;
(ii)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684f18d262e4e1d4b5c8cd207025d91.png)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9016d5eea6528eee0549ed213d1e6e0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8351ec1448b9cfb1bd5164e66e88842c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79359f064de6ee669771fa30e8df49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3647c8930d335e498e90fb2cc15a982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a462f40a65837da43de04d8b7630f25.png)
(i)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7503a89732cbcaac623d08162e049f.png)
(ii)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d850479a2ab093551013ca136a767544.png)
您最近一年使用:0次
10-11高三·浙江·阶段练习
解题方法
2 . 已知函数
,
.
(Ⅰ)求
在区间
的最小值;
(Ⅱ)求证:若
,则不等式
对于任意的
恒成立;
(Ⅲ)求证:若
,则不等式
对于任意的
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216f6b0c11a14195abc31654e1208998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab96c0caec56c1c65d55241bb893a930.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
(Ⅱ)求证:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7219e34af143bf563b677a623f35f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48350c9f896c18a64f27867ca81c9be2.png)
(Ⅲ)求证:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476d332663b8fc357c1a3fc85f9fa5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a9178fc39ed1e4abd0c1e27ffb54ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
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2012·吉林长春·一模
3 . 已知椭圆
、抛物线
的焦点均在
轴上,
的中心和
的顶点均为原点
,从每条曲线上取两个点,
将其坐标记录于下表中:
(Ⅰ)求
,
的标准方程;
(Ⅱ)请问是否存在直线
满足条件:①过
的焦点
;②与
交于不同两点
,
,且满足
?
若存在,求出直线
的方程;若不存在,说明理由.
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/aa41542b2706458d9505eae30c206cb6.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/d73dfda1236c41759f68490c0aff8219.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/61da92e53d524fef935e125f422a62a9.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/aa41542b2706458d9505eae30c206cb6.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/d73dfda1236c41759f68490c0aff8219.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/c1b9f987345247e3a07f2c3133bc8b4a.png)
将其坐标记录于下表中:
x | 3 | ![]() | 4 | ![]() |
![]() | ![]() | 0 | ![]() | ![]() |
(Ⅰ)求
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/aa41542b2706458d9505eae30c206cb6.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/d73dfda1236c41759f68490c0aff8219.png)
(Ⅱ)请问是否存在直线
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/afbcb3ca569846069869e8a0f20bb497.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/d73dfda1236c41759f68490c0aff8219.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/6dc4896a9ab848d1852abe7de86537ef.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/aa41542b2706458d9505eae30c206cb6.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/20cd3c85125140d6997887112af1a366.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/c5401bc8bb574fd5a1ad120191abc8c2.png)
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/750cbc53f9cc4cc9b12c187d12e85409.png)
若存在,求出直线
![](https://img.xkw.com/dksih/QBM/2015/7/9/1572173908058112/1572173914177536/STEM/afbcb3ca569846069869e8a0f20bb497.png)
您最近一年使用:0次
4 . 设函数
.数列
满足
,
.
(Ⅰ)证明:函数
在区间
是增函数;
(Ⅱ)证明:
;
(Ⅲ)设
,整数
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7927bd810381056b748cdf13fbb589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1381f0937c6052ce088e0eaee7df4880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6aa8089b5d9b722aff679af3c4d289.png)
(Ⅰ)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb01fcd15d3e2efc25004a325b6c1eb.png)
(Ⅱ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a03580918dd4526cb5729bff4c0bcca.png)
(Ⅲ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207beba44a185fd9142c414e7c98384b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea6af701724fc53183627eb0f55b0c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9c42f4ccbcd968743753b325928dc9.png)
您最近一年使用:0次
2016-11-30更新
|
3125次组卷
|
7卷引用:2008年普通高等学校招生全国统一考试理科数学(全国卷Ⅰ)
2008年普通高等学校招生全国统一考试理科数学(全国卷Ⅰ)浙江省宁波市余姚中学2020-2021学年高二下学期3月质量检测数学试题2008 年普通高等学校招生考试数学(理)试题(大纲卷 Ⅰ)(已下线)专题1 数列的单调性 微点5 数列单调性的判断方法(五)——递推法(已下线)第三篇 数列、排列与组合 专题5 迭代数列与极限 微点3 迭代数列收敛性及其应用(二)(已下线)第三篇 数列、排列与组合 专题4 数列的不动点 微点2 数列的不动点(二)(已下线)专题10 数列通项公式的求法 微点8 不动点法
真题
名校
5 . 设
,对任意实数
,记
.
(I)求函数
的单调区间;
(II)求证:(ⅰ)当
时,
对任意正实数
成立;
(ⅱ)有且仅有一个正实数
,使得
对任意正实数
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5dd8afed2e947c364ade942d8d82e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f31026c9ddedae8a9aee8decd6f93e3.png)
(I)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a5f7c0e32085550dec8666675047ca.png)
(II)求证:(ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f403d0b530489c6273667d147b7c559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(ⅱ)有且仅有一个正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f91b32c61d4c322723b00aaca51f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2016-11-30更新
|
2275次组卷
|
3卷引用:2007年普通高等学校招生全国统一考试理科数学卷(浙江)