2011高三·河北·专题练习
名校
1 . 关于
的不等式
的解集为空集,则实数
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac48135a186d472495e53ed3e18abac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2011·上海·一模
名校
2 . 不等式
≤1的解集是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b4feb90b84eb54fe644c596f5156a1.png)
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2016-11-30更新
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949次组卷
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4卷引用:上海市第四中学2019-2020学年高三上学期期中数学试题
上海市第四中学2019-2020学年高三上学期期中数学试题(已下线)2011届上海市卢湾区高考模拟考试数学试卷(理科)上海市晋元高级中学2017-2018学年高一上学期期中数学试题北京市第十九中学2023-2024学年高一上学期期中考试数学试题
10-11高三下·江西赣州·期中
解题方法
3 . 已知数列
的前
项和为
,且
.
(1)求数列
的通项公式;
(2)设数列
满足:
且
,求证:
;
(3)在(2)的条件下,求证:
]
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc87c1873f5c8c5fde75fec469f48e2.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b72ddd7de598464a37b10f03f67b904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a9e4784064e951721b8dc75e5f0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac372bc103e51ca8f563010d6a59c40b.png)
(3)在(2)的条件下,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f9609f4d94075110dc56dfe0742a27.png)
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10-11高三下·江西赣州·期中
4 . 选做题(请在下列2小题中选做一题,全做的只计算第(A)题得分)
A.(不等式选做题)存在以下三个命题:①若
,则
;②若a、b∈R,则
;③若
,则
;其中正确的是_______ (填序号)
B.(坐标系与参数方程选做题)在极坐标系中,直线
的极坐标方程为
,极坐标为
的点
到直线
上点的距离的最小值为_________ .
A.(不等式选做题)存在以下三个命题:①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67560c84eec85e231c491d9b1fd041c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32a2c247bd6b2b33b7f73a2e1ebaac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcce9a024f7c5ad051572f35a8ddf1ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1bcb0d530084fbb7d15b89e57ef3c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98588553ddfcd88dbd776b2817894f1c.png)
B.(坐标系与参数方程选做题)在极坐标系中,直线
![](https://img.xkw.com/dksih/QBM/2011/4/19/1570123674001408/1570123678982144/STEM/b8009fcd54f440eeacf0f14eadf944eb.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2011/4/19/1570123674001408/1570123678982144/STEM/152f6377390946d99f50231f3ebb6e1d.png?resizew=108)
![](https://img.xkw.com/dksih/QBM/2011/4/19/1570123674001408/1570123678982144/STEM/93b8690634d047959a8429ed848b3e92.png?resizew=63)
![](https://img.xkw.com/dksih/QBM/2011/4/19/1570123674001408/1570123678982144/STEM/e03027ca10fd4f6481c15213b43ce8d9.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2011/4/19/1570123674001408/1570123678982144/STEM/b8009fcd54f440eeacf0f14eadf944eb.png?resizew=9)
您最近一年使用:0次
9-10高三·重庆·期中
5 . 不等式
对任意实数
恒成立,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109f2926b99a521c477add3c2a06b613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.[ 1,2 ] | D.![]() |
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10-11高三上·河南许昌·期中
解题方法
6 . 已知条件p:
;条件q:
,若p是q的充分不必要条件,则m的取值范围是
![](https://img.xkw.com/dksih/QBM/2015/12/21/1572373087100928/1572373092810752/STEM/a7103a24a0dd4ed080cbb559962f38b4.png)
![](https://img.xkw.com/dksih/QBM/2015/12/21/1572373087100928/1572373092810752/STEM/7be93be3685841ba990404596956e6c5.png)
A.[21,+∞) | B.[9,+∞) | C.[19,+∞) | D.(0,+∞) |
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2016-11-30更新
|
966次组卷
|
3卷引用:2011届河南省长葛市第三实验高中高三上学期期中考试数学理卷
10-11高三上·广东·期中
名校
7 . 设数列
的通项公式为
.数列
定义如下:对于正整数
是使得不等式
成立的所有
中的最小值.
(1)若
,
,求
;
(2)若
,
,求数列
的前
项和公式;
(3)是否存在
和
,使得
?如果存在,求
和
的取值范围;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e2294cf1ed89c6edfb0d4897ef8087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3a0edce7c30258f1d134ca2d08a64c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4edad0dfcd1d7f4225d15c305d1587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cad0f23354aa754ade482d849557fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f970f380a12c843bb4a74ff34a15b2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b331f0c2ad289ef8161b7e59264a75a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57483e04fd1840c87ac5325157149877.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acff98078cdd32804d8f1c4efbe2ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4998bb3fc2c3c9bd277611d86d71578b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c320a0619c63a5b650a1a94c0a5679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad491e5b5e14c49ef8b7004ebcfcef9.png)
(3)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a908e102552ad10f2e528b817549378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
2016-11-30更新
|
1296次组卷
|
6卷引用:2010年广东省执信中学高三上学期期中考试文科数学卷
9-10高二下·陕西西安·期末
8 . 不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/327d171f851d725ec2ce209816880729.png)
您最近一年使用:0次
真题
名校
9 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e94a94882b548b9abb573ad19c9d48d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-11-30更新
|
2056次组卷
|
3卷引用:宁夏石嘴山市第三中学2020届高三上学期期中数学(理)试题
真题
解题方法
10 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbf50e7f036aa931a956334d6050515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7c17d0d1aab2f66502882cd5e9ce88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
A.(0,2) | B.[0,2] | C.(0,2] | D.{0,1,2} |
您最近一年使用:0次