设数列
有
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a87d3beffd9f7d8f293f0d54880f220.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2e8584b142037a8b23b0b6688c7c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a87d3beffd9f7d8f293f0d54880f220.png)
2020高三·上海·专题练习 查看更多[3]
沪教版(上海) 高三年级 新高考辅导与训练 第四章 数列与数学归纳法 本章测试(已下线)考向16 数列求和及数列的综合应用-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)重难点02:求数列前n项和常用10种解题策略-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第二册)
更新时间:2020-06-26 16:21:03
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【推荐1】对于函数
,部分
与
的对应关系如表:
![](https://img.xkw.com/dksih/QBM/2018/3/5/1895717974261760/1896870019325952/STEM/303cd870f6c5431194167e56cead0df1.png?resizew=242)
数列
满足:
,且对于任意
,点
都在函数
的图像上,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/2018/3/5/1895717974261760/1896870019325952/STEM/303cd870f6c5431194167e56cead0df1.png?resizew=242)
数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8a78b9b2030cf3ca42da4535341f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dc4b065cb836d94869d05e9d305b05.png)
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【推荐2】数列
的通项公式为
,前
项和为
,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1becdcbe9319cca13c28965b98b0688a.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/08c9965a04c2a6de04e949a15762f372.png)
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