名校
1 . 已知函数
.
(1)求不等式
的解集;
(2)若
的最小值为m,正数a,b,c满足
,求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d8f44fc4cef4cfb5de9e4b9246fa38d.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c48fd75ab50ea3e23bb1a335cfcb49.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86be2de99fbf7f99cd54ab399146b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c988ef35a2339d0b21494454554c3fc.png)
您最近一年使用:0次
2023-04-13更新
|
1321次组卷
|
9卷引用:广西柳州高级中学、南宁市第三中学2023届高三联考数学(文)试题
名校
解题方法
2 . 已知函数
,
,且关于
的不等式
的解集为
.
(1)求
的值;
(2)设
,
,
均为正实数,且
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfdbfda429e48963a35759792b7f68a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640c53a02a480de3712c4d95e5d19c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d82ec141c8e84ac00891f48577052e4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)设
![](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/31376c6bb2fff6100b237608f19de496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc8da315c4418c5abd368b76d2669ac.png)
您最近一年使用:0次
解题方法
3 . 已知
,
,
,证明:
(1)
;
(2)
.
![](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/7ca90d00a0366dbbc3d5e0a4f4a2af61.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4702d88db943970c356b93c5b5292db7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bd367cea975718cd3eba1e114e3086.png)
您最近一年使用:0次
2023-05-03更新
|
178次组卷
|
2卷引用:广西邕衡金卷2023届高三一轮复习诊断性联考数学(理)试题
4 . 已知a,b,c均为正数,且
,证明:
(1)若
,则
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff0221725379ed6a51554233e72f02da.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759b29a7b2b3735306f1a650355a7858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b966054ccfa85428c70b5b42fb482bbe.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08872ab1848a63de8edef2f4b8b8fc46.png)
您最近一年使用:0次
2023-04-20更新
|
487次组卷
|
4卷引用:广西南宁市2023届高三二模数学(理)试题
解题方法
5 . 已知正数a,b,c满足
.
(1)若
,证明:
.
(2)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2da16afc669d70a696809a07b3a5f9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a57e060f61f7efa54982bda67db483a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e33141676a1e58c8757b7ec045aa69.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851f033674f3455c66c76bae1fe425ea.png)
您最近一年使用:0次
2023-03-26更新
|
320次组卷
|
6卷引用:广西2023届高三模拟考试数学(理)试题
广西2023届高三模拟考试数学(理)试题广西壮族自治区玉林市2023届高三二模数学(文)试题广西壮族自治区玉林市2023届高三二模数学(理)试题(已下线)专题21不等式选讲(已下线)专题21不等式选讲西藏昌都市第一高级中学2023届高三高考全真仿真考试数学(理)试题
名校
6 . 已知
、
、
均为正实数,且
.
(1)证明:
;
(2)比较
与
的大小.
![](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/740505b7f7b3676691a85a78dcae32a0.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5c1de33a3abac45a245ddab095b41a.png)
(2)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9138346c522d61b48eb84e7a74fb450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387ab7fa345af78cb1daeef0de4fd02a.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.
(1)求不等式
的解集;
(2)若
且满足
,记
是
的最大值,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c2e033105f17e4ea375d28464413ab.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99f6241f03f76761403af0c53d3a0f1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c457d9c7bbd4fb8d54c032565a2667b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fa1634d00a91a067feb12dcf03d633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073aaf052fc8858629986a9dad40ff88.png)
您最近一年使用:0次
2023-04-04更新
|
391次组卷
|
3卷引用:广西梧州市苍梧中学2023届高三5月份高考数学模拟试题
解题方法
8 . 已知三个正实数
满足
.
(1)证明:
;
(2)当
时,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46704e2e11746e32e497cd2627d9166b.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc30e5da24cd6b21d6ca09818535890b.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b4d201579954e11e2a16fa990552bf.png)
您最近一年使用:0次
解题方法
9 . 已知a,b均为正实数,且
,证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8335f6dfc2728f7d24d84ebd3554733.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3623ba729fc8c79ac64041467904a981.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e6c9f5a5aa49b8c7c892d7968c61c1.png)
您最近一年使用:0次
2023-05-26更新
|
207次组卷
|
2卷引用:广西邕衡金卷2023届高三第三次适应性考试数学(理)试题
解题方法
10 . 已知
对应的三边分别为
,
,
.
(1)若
,
,
是正实数,求证:
,当
时,等号成立;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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)
(1)若
![](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/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1daa0fd3371d6cfdeb3b4db57bef6964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cab25d0f61698db9bbe20bbe6a99f4e.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4ace19a2f15e371953387afbb2706f.png)
您最近一年使用:0次
2022-11-17更新
|
649次组卷
|
6卷引用:广西柳州市2023届高三第三次模拟数学(文)试题
广西柳州市2023届高三第三次模拟数学(文)试题广西柳州市2023届高三第三次模拟数学(理)试题贵州省六校联盟2023届高三上学期高考实用性联考卷(二)数学(文)试题贵州省六校联盟2023届高三上学期高考实用性联考卷(二)数学(理)试题(已下线)专题12-2 不等式选讲归类-1(已下线)专题14 不等式选讲