解题方法
1 . 已知数列
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533d0527539eeb0e475383d532228c4f.png)
(1)若数列
满足
,求证:
是等比数列;
(2)若数列
满足
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533d0527539eeb0e475383d532228c4f.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0267d117cde8ccec5cb7c7043e8f130e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c88a7ef007c78a93e33bd77c4396626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626732e34cf714726e34502994520b5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbbd4ac56deb291fc4aa1c976743506.png)
您最近一年使用:0次
2017-03-12更新
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1463次组卷
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2卷引用:2017届吉林省长春市普通高中高三下学期第二次模拟考试数学(理)试卷