1 . 已知函数
(
) =
,g (
)=
+
.
(1)求函数h (
)=
(
)-g (
)的零点个数,并说明理由;
(2)设数列
满足
,
,证明:存在常数M,使得对于任意的
,都有
≤
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457e696b1504bfb73140699a8e18dd0.png)
(1)求函数h (
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba996a77c37e799afa92c78de5013e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f442a70c6accd571fd1db17b0c49ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2471c923f3d3b05fa8305451ae2d3538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d726666f99a5a41dd673a2330e377b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2016-12-03更新
|
2614次组卷
|
4卷引用: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33 算法、复数、推理与证明-十年(2011-2020)高考真题数学分项(八)2011年普通高等学校招生全国统一考试理科数学(湖南卷)(已下线)第35讲 函数与数列不等式问题-突破2022年新高考数学导数压轴解答题精选精练浙江省绍兴市诸暨中学2018-2019学年高二(实验班)上学期10月阶段性考试数学试题
12-13高三上·江苏扬州·阶段练习
解题方法
2 . 已知集合
.
⑴是否存在实数
,使得集合
中所有整数的元素和为28?若存在,求出
,若不存在,请说明理由;
⑵以
为首项,
为公比的等比数列前
项和记为
,对任意
,均有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90b2485d1e0a5bfd1075ef1767506f0.png)
⑴是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
⑵以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d5ec9ad92f37e64eccce922ab1b14e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eb4fe67d5a6378c3ac14def93d0d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . 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
4 . 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
5 . 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
|
3122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)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