设等差数列{an}的前n项和为Sn,且Sn满足
.
(1)求实数λ的值,并求数列{an}的通项公式;
(2)若bn=
,求数列{bn}的前n项和Tn.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ac398e92347e01caae34f976aa735e.png)
(1)求实数λ的值,并求数列{an}的通项公式;
(2)若bn=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141047d6fd4714b121f0dfd4a9b22922.png)
更新时间:2022-05-19 19:35:58
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解答题-问答题
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适中
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名校
解题方法
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