名校
解题方法
1 . 数列
满足
,
.
(1)证明:
;
(2)若数列
满足
,设数列
的前n项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41691b6d07271b97f5445b7ffccbcc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e03baccfe37eaec93d3d6b3cfdcbac.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e96e2021e005b0498b36f36c3a1fb6b.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f306cb81c65d6d2b285464a47808af84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1302abaebc9df026c2a83291063e83b4.png)
您最近一年使用:0次
2022-05-07更新
|
1237次组卷
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4卷引用:黑龙江省牡丹江市第二高级中学2023-2024学年高三上学期10月期中数学试题
黑龙江省牡丹江市第二高级中学2023-2024学年高三上学期10月期中数学试题浙江省温州市2022届高三下学期5月三模数学试题(已下线)重难点08 七种数列数学思想方法-2(已下线)专题05 数列放缩(精讲精练)-3
名校
解题方法
2 . 已知函数
(Ⅰ)求
的最小值;
(Ⅱ)设
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfa5fd39041ccb6433b209806a001be.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a387eef49c07a49126783c2d3657d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e810c552958d21e851fc6a09ae98c64.png)
您最近一年使用:0次
2019-05-29更新
|
874次组卷
|
2卷引用:黑龙江省大庆第一中学2019届高三第三次模拟考试数学(文)试题