已知数列
满足:n∈N+,都有
,且
.
(1)求
的通项公式;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dac824d43c4dabaeb7c20fb1a3a545d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4829adefbf33cabcb75b451fd1e47c.png)
22-23高三上·江苏盐城·阶段练习 查看更多[1]
(已下线)江苏省盐城中学2022-2023学年高三上学期第一次月考数学试题
更新时间:2022-10-12 10:48:12
|
相似题推荐
【推荐1】设数列
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d52a8c1ef00ad57d6f080198365a39.png)
(1)证明:数列
为等比数列,并求数列
的通项公式;
(2)数列
满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d52a8c1ef00ad57d6f080198365a39.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d483eb4433fee05a5810a276433b1742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d940bf8ac29d4dccd5d63fc1a783608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a174d2df6bca1758a2a9e2ba5b88b2.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】数列
中,
,
,求
的通项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c0f4ba46a23a556cde73bc10fb2159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知等差数列{
}前
项和为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395d0c8bb0dbae01c900e92ce5ed81f8.png)
(Ⅰ)求数列
的通项公式
(Ⅱ)若
,求数列
的前
项和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395d0c8bb0dbae01c900e92ce5ed81f8.png)
(Ⅰ)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbc51ee42de86309f1bc86feae82999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
【推荐2】已知数列
的前
项和为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e53d2cc7fc9bb7be190a216dcd00049.png)
(1)试求数列
的通项公式;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e53d2cc7fc9bb7be190a216dcd00049.png)
(1)试求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知数列
,…的前
项和为
.
(1)计算
的值,根据计算结果,猜想
的表达式;
(2)用数学归纳法证明(1)中猜想的
表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f771cb2fe5278c55f5785d1f472dab66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765def622d9ab7d1eb806ed0f8ebe2fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)用数学归纳法证明(1)中猜想的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知
.
(1)求
,
,
的值.
(2)用数学归纳法证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd523e40b375f53748ae6271d6e2958.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
(2)用数学归纳法证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00374b02f299d451b4f259214cd93afe.png)
您最近一年使用:0次