已知首项为2的数列
的前
项和
满足:
,记
,当
取得最大值时,
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
2018·湖南·三模 查看更多[6]
湖南省三湘名校教育联盟2018届高三第三次联考数学(文)试题河北省定州中学2018届高三下学期第一次月考数学试题2【全国百强校】北京市第四中学2019届高三高考调研卷文科数学试题(一)河北省辛集中学2020届高三9月月考数学(理)试题(已下线)专题6.7 第六章 数列(单元测试)(测)-浙江版 《2020年高考一轮复习讲练测》(已下线)期中测试二(能力提升)-2020-2021学年高二数学单元测试定心卷(人教版必修5)
更新时间:2018-03-31 09:22:09
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