1 . 若数列
为等差数列,
为等比数列,且满足:
,
,函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e29ac5ffd11478e442214870d4a498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e58b771199b74cf265e162a8c3f9df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180a92df4367f5d8d784af0f919c60aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e29ac5ffd11478e442214870d4a498.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 若
则
是
的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba407c1db18bcaace5097da8c50a26d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429e1479a7dbdca3ff599b1ebdde389a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b19be7f15619108e82c5b5568ff25f.png)
A.充分而不必要条件 | B.必要而不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2016-12-02更新
|
1011次组卷
|
5卷引用:2013年浙江省高中数学竞赛试卷