已知数列
满足
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4a303c19edd204b3909c79c9a7632a.png)
(1)证明:
,
;
(2)求和:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d2e7c1610454b53c92a1520e12e694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4a303c19edd204b3909c79c9a7632a.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58f170d002326573229d7fbbeb6bc82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb989f738bb8574d9db6dcda686266de.png)
(2)求和:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa79f99c8dfc6926ce50771bdc125c9.png)
19-20高三上·湖北·阶段练习 查看更多[4]
湖北省部分重点中学2019-2020学年高三上学期第一次联考考数学(文)试题湖北省部分重点中学2019-2020学年高三上学期第一次联考考数学(理)试题甘肃省白银市会宁县第一中学2019-2020学年高三上学期12月月考数学(理)试题(已下线)2020届高三12月第01期(考点06)(文科)《新题速递·数学》
更新时间:2019-11-30 17:29:42
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