11-12高三上·黑龙江·期中
1 . 已知
是递增的等比数列,若
,
,则此数列的公比![](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/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe65f0f9d35eb85f48fcca6aee5698e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
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2 . 在
中,若
,则角B的值为_________ .
![](https://img.xkw.com/dksih/QBM/2010/11/9/1577387408932864/1577387411709952/STEM/0a54687016f84e1d9fd273a047ca89e0.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2010/11/9/1577387408932864/1577387411709952/STEM/6996e5b3854e4a058ec20470e10056cd.png?resizew=133)
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12-13高三上·山东青岛·期末
3 . 已知点
在直线
上,则
的最小值为_____________
![](https://img.xkw.com/dksih/QBM/2012/8/29/1570988493619200/1570988499009536/STEM/025b55ef0a344b74820d90d23f814846.png?resizew=53)
![](https://img.xkw.com/dksih/QBM/2012/8/29/1570988493619200/1570988499009536/STEM/d21b6602c3db413c918d266155096518.png?resizew=93)
![](https://img.xkw.com/dksih/QBM/2012/8/29/1570988493619200/1570988499009536/STEM/9e22cab3ba664b73ba550e4f40c5f718.png?resizew=53)
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2010·四川南充·一模
名校
4 . 设等比数列
的公比
,前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae01a4a4d7dc7999b8a0568f83c2891d.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d9b6c86435e0ceff94d8ad1cd03737.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/ae01a4a4d7dc7999b8a0568f83c2891d.png)
您最近一年使用:0次
2016-11-30更新
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845次组卷
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7卷引用:2011届山西省太原市高三模拟考试理科数学
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