名校
1 . 设
,
,
.
(1)解不等式
;
(2)
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf53f232cd433b791e3696c0ba97750b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4367e45a47a02037a38bd591dd09f930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640cb603fc8315d9e37c97561f6a7b83.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee59fbe13325820ec6fc47eb5f35d87.png)
您最近一年使用:0次
名校
2 .
(
),
.
(1)证明
;
(2)若不等式
对
恒成立,求实数b的最大值,
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ae05506fffbd7f32e0dc53cddd281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafa7a492b1c919124f22456f28c00db.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97b66e348ff02fc9e7f610d7dfeda5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
您最近一年使用:0次
2020-04-29更新
|
97次组卷
|
2卷引用:广西师大附中2019-2020学年高三4月份(理科)数学试题
名校
解题方法
3 . 已知函数
.
(1)求不等式
的解集
;
(2)设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28f1467b6892df1d15ec306667f9711.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfbe2eb6c502d3d304bbe3c95b54061.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2b85186925658e66d8541a5645269e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab3df3ba075fcc3ca1ae2c34e91949a.png)
您最近一年使用:0次
名校
4 . 记函数
的最小值为
.
(1)求
的值;
(2)若正数
,
,
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fdc01d73a9c1ea074b385be0fca073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若正数
![](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/5baee1cd96671f2b41453cd8bee3aad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/708a5a3069245d1bf7732b9291d8e2fd.png)
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2020-04-19更新
|
1731次组卷
|
9卷引用:福建省泉州市普通高中2019-2020学年毕业班第一次质量检查(文科)数学试题
福建省泉州市普通高中2019-2020学年毕业班第一次质量检查(文科)数学试题福建省泉州市普通高中2019-2020学年毕业班第一次质量检查(理科)数学试题2020届福建省泉州市高三一模(文科)数学试题辽宁省沈阳市第二中学2020届高三下学期第五次模拟考试数学(理)试题辽宁省沈阳二中20219-2020学年高三高考数学(理科)五模试题江西省鹰潭市2021届高三(上)模拟命题大赛数学(文科)试题江西省宜丰中学、宜春一中、万载中学2021届高三3月联考数学(理)试题(已下线)理科数学-2022年高考押题预测卷03(全国甲卷)(已下线)文科数学-2022年高考押题预测卷03(全国甲卷)
5 . 已知关于
的不等式
有解.
(1)求实数
的取值范围;
(2)若正数
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c454926df353091149da8819a72f2c0.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aedb04c24d94f181ce1260ea863a9085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac00cd08732fa9d8fc64aa0b2ebe7d1.png)
您最近一年使用:0次
2020-04-22更新
|
161次组卷
|
2卷引用:2020届百师联盟高三练习题四(全国卷 II)数学(文)试题
6 . 已知函数
.
(1)求不等式
的解集;
(2)若正数
、
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72157c1977b28de95ae5d0f7f7e09f55.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86937bc204e2dc96e705e32eb4563e86.png)
(2)若正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384bcd5b965e5204e33ddbd1d45a9b47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f17565c38e8c23ade1f5dcfcd377c89.png)
您最近一年使用:0次
2020-04-14更新
|
214次组卷
|
3卷引用:2020届四川省德阳市高三“二诊”考试数学文科试题
解题方法
7 . 已知函数
.
(Ⅰ)解不等式
;
(Ⅱ)若正实数a,b满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54a0c07847bb5a711881d4ac2bac957.png)
(Ⅰ)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(Ⅱ)若正实数a,b满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9870bcb2f4f3490969dab18466523fed.png)
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2020-04-16更新
|
220次组卷
|
2卷引用:河南省名校天一大联考2018-2019学年高二阶段性测试(四)数学理科试题
名校
解题方法
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70af7ea1e43238f46e537032b7234494.png)
(1)求函数
的最小值m;
(2)在(1)的条件下,正数a,b满足
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70af7ea1e43238f46e537032b7234494.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在(1)的条件下,正数a,b满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6964f26e70afe3d425ea971d3212bb9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b0e403c5f00d0357d3fa30d6c2717c.png)
您最近一年使用:0次
2020-04-09更新
|
505次组卷
|
6卷引用:山西省2019-2020学年高三下学期3月适应性调研数学(文)试题
名校
解题方法
9 . 已知函数
的最小值为2.
(1)求
的值;
(2)若
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68bbab9bc3ac4f7969d7da9fb6ad7131.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756557a0b2489190ea4ca67d3844df6d.png)
您最近一年使用:0次
名校
10 . 设函数
(
)的最小值为1.
(1)求
的值;
(2)若
(
),求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92cb155fd855b0ed21bca631275296a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6386d46a16a67ee97bd0c9ed6bacef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef4de3ed9387f6aa160f83cd7cdf41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485a2d99320384a0857b00ce9ab9e990.png)
您最近一年使用:0次
2020-04-03更新
|
229次组卷
|
5卷引用:2020届陕西省高三教学质量检测(二)数学(理)试题