名校
解题方法
1 . 已知
均为正实数,且满足
.
(1)求
的最小值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385a639c53a7a1168e703621f0bc7a71.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8581efe011a9daffa9d3e48a3814ab.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb547e76f38d767adfb5125f4b56d82e.png)
您最近一年使用:0次
2024-05-08更新
|
571次组卷
|
3卷引用:四川省成都锦江区嘉祥外国语高级中学2024届高三第二次诊断性考试理科数学试题
名校
解题方法
2 . 已知函数的最小值为
.
(1)求实数m的值;
(2)若实数a,b,c满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c55599c9623ca58392046665f6714c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80b10218853f7d36328e88552c35945.png)
您最近一年使用:0次
2024-02-03更新
|
728次组卷
|
7卷引用:【名校面对面】2022-2023学年高三大联考(5月) 理数试题
名校
解题方法
3 . (1)已知函数
,求不等式
的解集;
(2)设
、
、
为正数,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb3e512a4eb1ddfdec49d7181c55caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fbc901cbdb68130ddac3174583dd93c.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/f2078d18b96d1d777dc353beedf90e5e.png)
您最近一年使用:0次
解题方法
4 . 已知函数
.
(1)若
恒成立,求a取值范围;
(2)若
的最大值为M,正实数a,b,c满足:
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a956d8c06c24b4c4c3daceefd1997333.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d845d3341425e66d9d6db24009108ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989680e6b74504b71f5ece8771c5301d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df35ee08f8d3ecae348c962c1e9ab18f.png)
您最近一年使用:0次
2024-01-08更新
|
505次组卷
|
3卷引用:四川省南充市2024届高三一模数学(理)试题
名校
解题方法
5 . 已知函数
的最大值为6,
.
(1)求
的值;
(2)设
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e6614b14909752c65164b539359fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8578c6d7d390a36d1728070bbd9cc14.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71acdb04454c77e1e25ad4f336cccfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5318b62f908276c73967475438eaf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee581ea1a65b61f4255948503080763.png)
您最近一年使用:0次
解题方法
6 . 设a,b,c为正实数,且
.
(1)证明:
.
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be94bcdd073e5e6c8137caa90e41b9a.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7a3cf29f7500c49b8df17279cdc431.png)
您最近一年使用:0次
2023高三上·全国·专题练习
解题方法
7 . 已知
,
,求
的最值?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e3043955d94781eaabcc9a69a99c0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a82da2f65af7cdabc1861ec3e68428.png)
您最近一年使用:0次
名校
解题方法
8 . 已知关于
的不等式
有解.
(1)求实数
的取值范围;
(2)若
均为正数,
为
的最大值,且
.求证,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfe327e37e199e2c3815aae1a706252.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba1e7a657ed134e68efd159b606620f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91beeecb519bfc3c9afbd86f0537e589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aae622f238d45382a3a386ee1f83022.png)
您最近一年使用:0次
2023·全国·模拟预测
解题方法
9 . 已知函数
的最小值为
.
(1)求
的值.
(2)若正数
,
,
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93b2b8cf8e9ced889623f5f1f91cdf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/31376c6bb2fff6100b237608f19de496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83784857c5ff29ff32b0d29d0f1e10a0.png)
您最近一年使用:0次
10 . 已知
.
(1)证明:
;
(2)已知
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3f7da4088c7a6d0ecb32bb1dff53d7.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c7c13e31b6d495dde4c45a434b0570.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348aca26e61218d251581e21c1129a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81405c07991df6ee1e131b4721b3dda.png)
您最近一年使用:0次