真题
1 . 设函数
,证明:
(Ⅰ)对每个
,存在唯一的
,满足
;
(Ⅱ)对任意
,由(Ⅰ)中
构成的数列
满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b5f6455f67f8746a87b47ef5ce498e.png)
(Ⅰ)对每个
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/16d8654be963432c9253c77a219af705.png?resizew=47)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b388148147e0888b0bcf9b7b9c3f96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d05c7f4e20a74ac4358a158e628464f.png)
(Ⅱ)对任意
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/e32457f65557461bb65632c898d25ed0.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/aa83e293201743948b553e676a3cbc72.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/e57f35fdb2cc4d24b11644369bf1f6d8.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2013/7/17/1571286915440640/1571286921256960/STEM/6eefc36870d148e98f1504db34fabb5d.png?resizew=108)
您最近一年使用:0次
真题
解题方法
2 . 设数列
中的每一项都不为0.
证明:
为等差数列的充分必要条件是:对任何
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da18ad56af5e38b1a5b73f44ba198fd.png)
证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61e3952c481b3d0499b1b3e740273e5.png)
您最近一年使用:0次
2016-11-30更新
|
838次组卷
|
4卷引用:2010年普通高等学校招生全国统一考试(安徽卷)数学试题(理科)