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1 . 在正项等比数列
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5871ce24144799b19fd6cdccfd0cc141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
您最近一年使用:0次
2021-10-25更新
|
888次组卷
|
3卷引用:河北徐水综合高级中学2021-2022学年高二上学期第二次月考数学试题
2019·河北·模拟预测
2 . 等比数列中,且
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67849a90052f09d76a2aa9c51794664.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05745a82eac6e327e5508778364b820b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67849a90052f09d76a2aa9c51794664.png)
您最近一年使用:0次
3 . 在等比数列
中,如果
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0159413b0ca1a0599d8d374867a1551.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21aee4d991deae294853fae2ec0acd5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0159413b0ca1a0599d8d374867a1551.png)
您最近一年使用:0次
4 . 在各项均为正数的等比数列
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561ce20e162eb3a4222ec1bae6e3eced.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feebe338153e6cd13b84911c4d9ecfe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561ce20e162eb3a4222ec1bae6e3eced.png)
您最近一年使用:0次
2016-12-03更新
|
2114次组卷
|
3卷引用:河北省深州长江中学2020-2021学年高二上学期期中数学试题
2012·河北唐山·三模
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5 . 设
记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf5d42b9ef16d57843e49feab161025.png)
_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5233f54f09833f261865ce1d4d300e12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf5d42b9ef16d57843e49feab161025.png)
您最近一年使用:0次