名校
1 . 已知函数
.
(1)设函数
,实数
满足
,求
;
(2)若
在
时恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a523357d0335cabaf92c2b5283d0174d.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9396a737848eedcb56625b2cda4671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e8b864a9c4f61a735b23d788b1cf7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd31dcfaf4438d5be027758d446c7f70.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5931095eb29d9d6b55ed9fa32a4ef1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc3089af5f7ca5a33d44d6fac4b6ebf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-29更新
|
362次组卷
|
4卷引用:河南省部分学校2023-2024学年高一上学期期末大联考数学试题
解题方法
2 . 已知函数
.
(1)求不等式
的解集;
(2)若对于
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeafd95bddad3cc3148adc5481c989fa.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e799c1971ec9b387e94d04fad4230e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-17更新
|
440次组卷
|
3卷引用:河南省商丘市2023-2024学年高一上学期期末考试数学试题(B版)
名校
3 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e419fc8871840285af152b7110290f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84538511d3d25e7cfb7c8d5fe88cced1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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解题方法
4 . 已知
为锐角三角形,a,b,c分别为内角A,B,C所对的边,且
,
.
(1)若
,求
的面积;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d59f35d17f88acd9b1795c88e7c9379.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da6ad4487944da9e797838539d3362c.png)
您最近一年使用:0次
2023-07-18更新
|
506次组卷
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2卷引用:河南省商丘市名校2022-2023学年高一下学期7月期末联考数学试题
名校
解题方法
5 . 在等腰
中,底边
,点D在直线
上,满足
,则当
取最大值时,
的面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bd1dc56a52cddfda1fba44caecd4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2f64e2c82be9e3093a042fb9658539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-07-18更新
|
254次组卷
|
2卷引用:河南省商丘市名校2022-2023学年高一下学期7月期末联考数学试题
名校
解题方法
6 . 在
中,内角
,
,
的对边分别为
,
,
,且
.
(1)求角
的大小;
(2)若
,
,求
边上中线的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468516e531afc4e8877dc1a9f8ffb9fc.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa570965ca2882e7a0b8d296f1676c3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2023-06-24更新
|
831次组卷
|
2卷引用:河南省商丘市第一中学2022-2023学年高一下学期期末数学试题
解题方法
7 . 已知数列
的前
项和为
,且
.
(1)求
的通项公式;
(2)若
时,
,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/312fddeb97c72b0aa3a0408dfdc2f067.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3023673cdfe90f999e2a7154414cadb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
解题方法
8 . 已知数列
满足
.
(1)证明:
是等比数列.
(2)判断
是否可能是数列
中的项.若是,求出
的最大值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5286897811aa592f4b05ced6a03086.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7cc47410d30343f233064358a4543e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
9 . 已知等差数列
的前
项和为
,若数列
的前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c81c886e0a331a1ad7f390d221e167.png)
______ .
![](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/bb73df7e56940c99f07f8c1f44b701d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c906299628797ad0dc8e662992b56e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c81c886e0a331a1ad7f390d221e167.png)
您最近一年使用:0次
名校
10 . 已知数列
满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14835bf3f00139ccec0694d0924db795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d95346c9f1dd0643572b443056bb96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa37e5661af68b263a3ed9030d4e9003.png)
A.![]() | B.![]() | C.12 | D.21 |
您最近一年使用:0次
2023-01-18更新
|
587次组卷
|
3卷引用:河南省商丘市部分学校2022-2023学年高二上学期期末考试数学试题
河南省商丘市部分学校2022-2023学年高二上学期期末考试数学试题(已下线)4.2.1等差数列的概念(第1课时)(分层作业)-【上好课】高二数学同步备课系列(人教A版2019选择性必修第二册)北京市怀柔区第一中学2023-2024学年高二下学期4月月考数学试题