已知等差数列
满足
,
.
(1)求数列
的通项公式;
(2)令
(
),求数列
的最大项和最小项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735935079240ce3c5466399bf3800354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645804019288a78ed7483b06f410cecc.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7169950d12e1fb03860e9d5b8e1b5b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8c29b297e3ec337c3139c2a1ebed1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee4464b3b4eb6e52ee02f095aae84f0.png)
更新时间:2017-04-28 13:01:15
|
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