1 . 已知数列
的前
项积为
,且满足
,若
,则
为( )
![](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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5175ca383692e277e81e58b9767d0a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2438f2272d7b7ab51dbbe587025a553d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adb2d553c2fa56337284d5c62adccba.png)
A.-4 | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 设
,
满足约束条件
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbc35b50a14b12360791dc9f795c371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd640c5d855f3afd8e93b1f05b2c2300.png)
A.-6 | B.-5 | C.1 | D.3 |
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3 . 向量
,
,
,若
与
共线,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501b28ee1853ad06e1e224cec7e57bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18515948143068d8d652f349508e478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b343c7f42e94d23a4e2572e46e3196d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3dcdb057232bb2fb680af5196281e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.-3 | B.-2 | C.-1 | D.1 |
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4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244eb0ffef4d3fac0e0cac2f509c42b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830e3690b3d736c9c4c761bbaf0841f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)求
的最小正周期;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc59d0e45d81023efcb55281d45081f5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b6d8206c06ab7a6cf401530618899b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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6 . 设函数
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba2dd6a805f4e828123e911cee45292.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d35732fbae07f8048529f97963a93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba2dd6a805f4e828123e911cee45292.png)
您最近一年使用:0次
2021-09-06更新
|
484次组卷
|
4卷引用:云南省临沧市沧源县民族中学2020-2021学年高一上学期期末考试数学试题
名校
解题方法
7 . 已知函数
的部分图象如图所示,则下列关于函数
的说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/c04f644e-4519-4970-b73e-0487c5697f9f.png?resizew=181)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8741e4b4fd0074382b01c3e0f8f7960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/c04f644e-4519-4970-b73e-0487c5697f9f.png?resizew=181)
A.最小正周期为![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-09-06更新
|
261次组卷
|
2卷引用:云南省临沧市沧源县民族中学2020-2021学年高一上学期期末考试数学试题
解题方法
8 . 已知
,则a,b,c的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6155614fee9da066324e0bc9053324.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-06更新
|
647次组卷
|
3卷引用:云南省临沧市沧源县民族中学2020-2021学年高一上学期期末考试数学试题
名校
解题方法
9 . 已知函数
的最小值为2,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bda2814404d3f318bb28165e8754635.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-06更新
|
2371次组卷
|
6卷引用:云南省临沧市沧源县民族中学2020-2021学年高一上学期期末考试数学试题
云南省临沧市沧源县民族中学2020-2021学年高一上学期期末考试数学试题(已下线)第三章 函数的概念和性质(章末测试)-【上好课】2021-2022学年高一数学同步备课系列(人教A版2019必修第一册)(已下线)专题14 函数的概念与性质压轴题型汇总-2021-2022学年高一《新题速递·数学》(人教A版2019)贵州省黔西南州金成实验学校2023届高三上学期第一次月考数学试题天津市南仓中学2022-2023学年高一上学期教学质量过程性监测与诊断数学试题福建省福州市仓山区福建师大附中2023-2024学年高一上学期期中数学试题
10 . 已知数列
的前
项和为
,
,
.
(Ⅰ)求数列
的前
项和为
;
(Ⅱ)求数列
的通项公式;
(Ⅲ)令
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a59368e5ae709bdb9b6ddec2bfa3afde.png)
(Ⅰ)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(Ⅱ)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(Ⅲ)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d3d55a85012933f91c5d8d27d8801d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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