解题方法
1 . 已知函数
的导数为
,且数列
满足
.
(1)若数列
是等差数列,求
的值;
(2)若对任意
,都有
,成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d17a9a67d153459425e5b20b44d881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b02f76e3d65e05fac4726baab32f359.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293e9330e14343667125747e12d8c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
您最近一年使用:0次
2 . 设定义域为
的单调函数
,对任意
,都有
,若
是方程
的一个解,且
,则实数
= .
![](https://img.xkw.com/dksih/QBM/2015/5/4/1572092840583168/1572092846563328/STEM/9419984d033f46de9959db90f061c67e.png)
![](https://img.xkw.com/dksih/QBM/2015/5/4/1572092840583168/1572092846563328/STEM/364544d6c3c745f2b04d1980b365644b.png)
![](https://img.xkw.com/dksih/QBM/2015/5/4/1572092840583168/1572092846563328/STEM/26e5200b5bc44237a75b94859e6facbd.png)
![](https://img.xkw.com/dksih/QBM/2015/5/4/1572092840583168/1572092846563328/STEM/03817b9e46f344c7bec4528acd79b9d7.png)
![](https://img.xkw.com/dksih/QBM/2015/5/4/1572092840583168/1572092846563328/STEM/59ed466800a9464ebea368455f7c960c.png)
![](https://img.xkw.com/dksih/QBM/2015/5/4/1572092840583168/1572092846563328/STEM/1c33d82c03694e23a60e61a7003b5ae7.png)
![](https://img.xkw.com/dksih/QBM/2015/5/4/1572092840583168/1572092846563328/STEM/97885f112b1b4badbace59d9af36a320.png)
![](https://img.xkw.com/dksih/QBM/2015/5/4/1572092840583168/1572092846563328/STEM/91486217f56e492099845a0c99300f56.png)
您最近一年使用:0次
2016-12-03更新
|
252次组卷
|
4卷引用:2015届江苏省启东中学高三下学期期初调研测试理科数学试卷
2015届江苏省启东中学高三下学期期初调研测试理科数学试卷2015届江苏省启东中学高三下学期期初调研测试文科数学试卷2015届江苏省滨海中学高三下学期第一次月考数学试卷(已下线)【百强校】2015届江苏省启东中学高三下学期期初调研测试文科数学试卷
2012·江苏·三模
3 . 已知函数
的导函数.
(1)若
,不等式
恒成立,求a的取值范围;
(2)解关于x的方程
;
(3)设函数
,求
时的最小值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85373b21b3b40ac5312c3904fe148edf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a11b8a2fc710d26c89953d4d3a4eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc64ec0016d4c1d1467f575ff4bd7a90.png)
(2)解关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238fb0986d745fa7e34b8ac85b7ba78f.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8bc62d9e5e180d467d4880523c135ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ddf2ba84c8bacb26e18bfc1feafedd.png)
您最近一年使用:0次
12-13高三上·江苏扬州·阶段练习
解题方法
4 . 对于三次函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbb68078590e8785def6cb1d7e0126a.png)
.
定义:①设
是函数
的导数
的导数,若方程
有实数解
,则称点
为函数
的“拐点”;
定义:②设
为常数,若定义在
上的函数
对于定义域内的一切实数
,都有
成立,则函数
的图象关于点
对称.
已知
,请回答下列问题:
(1)求函数
的“拐点”
的坐标
(2)检验函数
的图象是否关于“拐点”
对称,对于任意的三次函数写出一个有关“拐点”的结论(不必证明)
(3)写出一个三次函数
,使得它的“拐点”是
(不要过程)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbb68078590e8785def6cb1d7e0126a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f2b5ee1eabb64358a3d9db2349b6fce.png)
定义:①设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac282e92da3691942a6ba8511de2303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d31f9ce464f2ce3b24833b70595941c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc581690f1d82133bb5fed3d7f365f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641790f25de4850d4dde3e370db820c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
定义:②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905b9677c88be032f6f283ea9194f2b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641790f25de4850d4dde3e370db820c6.png)
已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5a67c1baa2a00e8edf1cda8c932203.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)检验函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)写出一个三次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92860378096f519a8fb276d07dbfabce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7e88b74f492f89e21e4cf65353bdb6.png)
您最近一年使用:0次
2011·河南洛阳·一模
解题方法
5 . 函数
是
的导函数.
(Ⅰ)求函数
的最大值和最小正周期;
(Ⅱ)若
求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89962b747033e0b86da65e5703221f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10432601cc862fa097550e93385f4b8a.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094b5f6c20d61449cae597d397b98be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411f68eec1ebd1454857c147494671b2.png)
您最近一年使用:0次
6 . 已知二次函数
的图象过点
,且
.若数列
满足
,且
,
.
(1)求数列
的通项公式;
(2)若数列
满足:
,
,当
,
时,求证:
①
;
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573d92396ed2215f0a10e67e0af369bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4357ce06a6179bcba5cd06089bf5207f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc4520c693b89ea93c541cbad7fcf8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdad750bd266a3bbb6ac7b7cb102b78a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fc336b4a83bf6d66c4afcc431597f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd2ebdd1be96a1c2a6a2bb2968eb14d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf41b2793efa0b332fe039341370ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274064cda136bdab21314151f182ecaa.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7c0be04cf23d126b569709355223b0.png)
您最近一年使用:0次
2011·北京丰台·一模
7 . 已知函数
,
为函数
的导函数.
(1)设函数
的图像与
轴交点为A,曲线
在A点处的切线方程是
,求
、
的值;
(2)若函数
,求函数
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a413d30d3fdf775f3c327d5c00063ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b3ba8cc918cbc35312705dd2647bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5e9842affcb7f50cc165ba2d627848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
8 . 已知函数
,
是方程
的两个根
,
是
的导数.设
,
.
(1)求
的值;
(2)证明:对任意的正整数n,都有
>
;
(3)记
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc565280dff5e2d9eba14fe31b72ae31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb33baa166bf2101650f6810892e9af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39108bd0e8876ff6dfd2fe70c83136c2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
(2)证明:对任意的正整数n,都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e864ce69fc9f5dd73b01fa2308affac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2016-11-30更新
|
2231次组卷
|
5卷引用:2007年普通高等学校招生全国统一考试理科数学卷广东
2007年普通高等学校招生全国统一考试理科数学卷广东2007年普通高等学校招生考试数学(理)试题(广东卷)(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)第三篇 数列、排列与组合 专题5 迭代数列与极限 微点5 迭代数列与蛛网图(已下线)专题10 数列通项公式的求法 微点8 不动点法
9 . 已知
,数列
满足
,
,数列
满足,
,
.
(1)求证:数列
为等比数列.
(2)令
,求证
;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe2062ce86753fa398da06929f49502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385275d29d8c8a7841eaeaa3dfab2cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab6e8ba32d5a5fbc63bea8076f7654d.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d483eb4433fee05a5810a276433b1742.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05509ae1c517f82f945392c01bea83df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd245ade547500a43e2cc9191b96e6f9.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe38c3564fa406f450d0a437bb6b0cf.png)
您最近一年使用:0次
真题
解题方法
10 . 已知函数
,其中
,
为常数
(1)当n=2时,求函数
的极值;
(2)当a=1时,证明:对任意的正整数n, 当
时,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8809372c8f1d271f834b3f8c49127c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当n=2时,求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当a=1时,证明:对任意的正整数n, 当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd699e5a3a2d8f5d9d5888383a12e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e114edfe52ee59dc2b878c27ff3346.png)
您最近一年使用:0次
2016-11-30更新
|
1816次组卷
|
4卷引用:2008年普通高等学校招生全国统一考试(山东卷)理科数学
2008年普通高等学校招生全国统一考试(山东卷)理科数学巴楚县第一中学 2020届高三二模数学试题2008年普通高等学校招生考试数学(理)试题(山东卷)(已下线)专题17 盘点利用导数证明不等式的五种方法-1