设等比数列
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393cb52931ef7685b487b99b27e45494.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
更新时间:2016-12-05 00:30:38
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【知识点】 等比数列
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较易
(0.85)
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【推荐1】已知等比数列
中,
,
,则公比![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c439d75a2be60e630ce26ad243c1b6b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc750403440663316cc8f42730026f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
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填空题-单空题
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较易
(0.85)
名校
【推荐2】已知等比数列
,
,
的公比分别为2,A,B记
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ae167b6c6eb0b6a45bb3261aa62b1e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee4464b3b4eb6e52ee02f095aae84f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cca3ebd10a38201939a3694cc95186a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0606e2c5e5eeee39e7a105089fd9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7879c5717b14687702c1fb387065ef9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80ab16abe6777e77800a55152691589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ae167b6c6eb0b6a45bb3261aa62b1e.png)
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