1 . 已知数列
中,
,
,数列
满足
,
.
(1)求数列
的通项公式;
(2)证明:
;
(3)证明:
.
![](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/85a9fa7b10600b5bcf32748dc110cc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a24e6bcf49b8e45531a2d4e4c70c181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801988d69211ee9dc8856c5c257bbbb7.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f31c098fdd6b0694a86fed1a66bae4b.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ea3da8ca29e6a8ef08b5c380265189.png)
您最近一年使用:0次
2019-09-11更新
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684次组卷
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2卷引用:安徽省合肥市2018-2019学年高一下学期期中数学试题(合肥一中、合肥六中)