满分5 > 高中数学试题 >

设为等比数列的前n项和,已知,则公比 ( ) A. 3 B. 4 C. 5 D....

6ec8aac122bd4f6e为等比数列6ec8aac122bd4f6e的前n项和,已知6ec8aac122bd4f6e,则公比6ec8aac122bd4f6e      (    )

A.  3              B. 4               C. 5                D.  6

 

B 【解析】略
复制答案
考点分析:
相关试题推荐

下列四个不等式中解集为6ec8aac122bd4f6e的是                                               (    )

A. 6ec8aac122bd4f6e  B.6ec8aac122bd4f6e   C.6ec8aac122bd4f6e   D.6ec8aac122bd4f6e 

 

查看答案

等比数列6ec8aac122bd4f6e中,6ec8aac122bd4f6e6ec8aac122bd4f6e6ec8aac122bd4f6e的等比中项等于6ec8aac122bd4f6e,则6ec8aac122bd4f6e                 (    )

A.9              B.  6ec8aac122bd4f6e            C.6ec8aac122bd4f6e          D. 8

 

查看答案

等比数列6ec8aac122bd4f6e中,6ec8aac122bd4f6e,且6ec8aac122bd4f6e,则6ec8aac122bd4f6e                (    )

A. 16            B.27               C. 36          D. 54

 

查看答案

6ec8aac122bd4f6e中,6ec8aac122bd4f6e,则6ec8aac122bd4f6e等于                                    (    )

A.6ec8aac122bd4f6e            B. 6ec8aac122bd4f6e            C.  6ec8aac122bd4f6e       D. 6ec8aac122bd4f6e

 

查看答案

如果等差数列6ec8aac122bd4f6e中,6ec8aac122bd4f6e,则6ec8aac122bd4f6e。。。6ec8aac122bd4f6e                (    )

A.35              B. 28             C.21          D. 14

 

查看答案
试题属性

Copyright @ 2008-2019 满分5 学习网 ManFen5.COM. All Rights Reserved.