10-11高三上·湖南·期末
名校
1 . 已知公差不为0的等差数列
满足
成等比数列,
为
的前
项和,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920ad6b9e7f1c2c4a5a3025ba57e71b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](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/83cb2155335ce8d2196db0ac364706a9.png)
A.2 | B.3 | C.![]() | D.4 |
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2016-11-30更新
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6卷引用:安徽省蚌埠市2017届高三第三次教学质量检查数学(理)试题