名校
解题方法
1 . 设
是公差大于零的等差数列,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de0af730e1fe229da4220533e5b623f.png)
(1)求
的通项公式;
(2)设
是以函数
的最小正周期为首项,以2为公比的等比数列,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de0af730e1fe229da4220533e5b623f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5749fef70033592feada2651170d1721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea39b0504526aeef83ef3a2cb165d673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2020-10-23更新
|
513次组卷
|
2卷引用:湖北省襄阳市第四中学2021-2022学年高三上学期期中数学试题