名校
解题方法
1 . 设数列
前
项和为
,满足
,
且
,
,则下列选项正确的是( )
![](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/0456970eff61052b7e72339923d5dbdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390636a89883bd64bf8da9bf8654aff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d66c520b8ab37c49a385db8c90432af.png)
A.![]() |
B.数列![]() |
C.当![]() ![]() |
D.设![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-12-04更新
|
663次组卷
|
6卷引用:陕西省西安铁一中学2023-2024学年高二上学期期末考试数学试题
解题方法
2 . 已知数列
的前n项和为
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95723d5dc0d95fc18b70f076299b0863.png)
A.![]() | B.数列![]() | C.数列![]() | D.n为奇数时,![]() |
您最近一年使用:0次
2022-01-29更新
|
250次组卷
|
4卷引用:陕西省榆林市神木市第四中学2023-2024学年高二下学期开学检测考试数学试题