名校
1 . 数列
为各项都是正数的等比数列,
为前
项和,且
,
,那么
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c9b5080aa2e9c889aac8e378d83dfee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0a561ce4c06bedf2189a84ef09ba55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7020cf98fa9b1c2458105199fb22197c.png)
A.150 | B.-200 | C.150或-200 | D.400或-50 |
您最近一年使用:0次
2021-08-17更新
|
917次组卷
|
6卷引用:2013-2014学年湖北武汉蔡甸区第二中学高一下六科竞赛理科数学试卷
2013-2014学年湖北武汉蔡甸区第二中学高一下六科竞赛理科数学试卷2013-2014学年湖北武汉蔡甸区第二中学高一下六科竞赛数学文试卷四川省成都外国语学校2020-2021学年高一下学期期中数学(理科)试题(已下线)专题六 等比数列的前 n项和-2020-2021学年高中数学专题题型精讲精练(2019人教B版选择性必修第三册)广西壮族自治区桂林市桂林中学2021-2022学年高二上学期开学考试数学试题(已下线)第三节 等比数列 (讲)
2 . 设
是定义在
上的单调函数,若对任意的
,都有
,则不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5b2d4f7abea66a63cef7a022d3312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1074e5765256f1c5224287fe634ca91.png)
您最近一年使用:0次
2019-01-28更新
|
595次组卷
|
4卷引用:2018年全国高中数学联赛湖北省预赛
3 . 设数列
满足:
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c612fb2fed7c255a981cff9013063f4f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b639f6207ace937863ad1c5edb4ef31c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c612fb2fed7c255a981cff9013063f4f.png)
您最近一年使用:0次
2019-01-28更新
|
402次组卷
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2卷引用:2018年全国高中数学联赛湖北省预赛
4 . 若对任意的
,不等式
恒成立,则实数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd0f1e3e3b41948f1b3d287c4b0cb44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17c1d27421199b5a09c24e95b160a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
5 . 设集合
.若方程
至少有一个根
,则称该方程为“合格方程”.那么,合格方程的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63446d9ae9fdbdcf80a2fbaeabe828a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9569c69c6444fe7f58048da2f0736c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcf45c1228d917a80907cbb22b2cd33.png)
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2011高三·湖北·竞赛
6 . 已知
,满足集合
,则所有
构成的集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8732a99e5a04516ac0838350fd8f344b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2011高三·湖北·竞赛
7 . 满足方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba08f3f83a17762c69eaa54088bd4e0.png)
的实数对
的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba08f3f83a17762c69eaa54088bd4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5cf70f8cd5ea56d84f0ec00639c863a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
您最近一年使用:0次
8 . 已知数列
满足:
,
,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc00c62f5dda3fb46d69c9f1a8027de4.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f966272f7781790ff27e40db6b525253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d983de2be935fe91d013e7e0cac54123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc00c62f5dda3fb46d69c9f1a8027de4.png)
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9 . 已知
是
所在平面上一点,满足
.则
与
的面积之比为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253b1cbcf52de4b40e8455eb47b31796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2694c32ca1e120e988012b7ecd74f625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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10 . 把函数
的图象向右平移
个单位,再把所得函数图象上各点的横坐标缩短为原来的
,所得函数的解析式为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947a5f1d8e91b91f1cf731cbff90fade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2016-12-04更新
|
412次组卷
|
2卷引用:2013-2014学年湖北武汉蔡甸区第二中学高一下六科竞赛数学文试卷