在等比数列
中,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45820ccd1e6a074c56867293b939908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
A.![]() | B.5 | C.![]() | D.![]() |
更新时间:2021-12-18 17:02:01
|
【知识点】 等比数列下标和性质及应用
相似题推荐
单选题
|
容易
(0.94)
名校
【推荐1】已知等比数列{an}中,,
为方程x2-10x+16=0的两根,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ca7437361554d467a604559ebc5b14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4349bce8c32bd80fee70e47d7f2b6b6f.png)
A.32 | B.64 | C.256 | D.±64 |
您最近一年使用:0次
单选题
|
容易
(0.94)
名校
【推荐2】等比数列
满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8c45e4c4ab30665338dd87a2258f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683f895e37f92721bdab8f98b2890dc9.png)
A.21 | B.42 | C.63 | D.84 |
您最近一年使用:0次