名校
解题方法
1 . 已知函数
的最小值是
.
(1)求
的值;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b6c6897ea1463e25c6e25d5120c50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26a9cd5393e7818121a7436783065c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12aa95f3db3a2b0d20f200c9a8b36959.png)
您最近一年使用:0次
解题方法
2 . 已知函数
的最小值是m.
(1)求m的值;
(2)若
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7b2dc826e500e362c22ddb6bfb39c8.png)
(1)求m的值;
(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/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054d00a127a585f7401a05d5351c6e37.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
,
的最大值是
.
(1)求
的值;
(2)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b579f06fb171212d46ff13b34c799cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a895920706f9f39d1b48ab42e09923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bf140abb1d26b46f979f693fe71e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56bfd6d391021a360e4b214de44b33c.png)
您最近一年使用:0次
2024-06-11更新
|
218次组卷
|
5卷引用:陕西省西安市第一中学2024届高三下学期模拟考试数学(文科)试题
名校
4 . 已知
.
(1)设函数
,若函数
与
的图象无公共点,求m的取值范围;
(2)令
的最小值为T.若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91aafaba36bf34d052ee85f12cc0a398.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3592aa85c9120fd042816dd47bba82ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d6e540dc3435961c9c44d4805a375f.png)
您最近一年使用:0次
2024-06-08更新
|
293次组卷
|
4卷引用:四川省大数据精准教学联盟2024届高三第二次统一监测文科数学试题
2024高三下·全国·专题练习
5 . 函数
,
,其中
为常数,当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab0a4e08b5bbfa6352b3be4052c071a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bb0f15566a600dd8309c69e729599e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca976e2a17cb8969514ab0c10c839c56.png)
您最近一年使用:0次
解题方法
6 . 已知函数
.
(1)求不等式
的解集;
(2)设函数
的最小值为t,正实数a,b,c满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067a194da5f227dd54ef37943a14e9fc.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990d3feee85e869ea9ab561ff63d46a2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6468ff23e01b82e3a4a08c7b4596d361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11fd717f1df3825d28048b918246919.png)
您最近一年使用:0次
2024-05-30更新
|
205次组卷
|
2卷引用:四川省百师联盟2024届高三二轮复习联考(三)全国卷理科数学试题
2024高三下·全国·专题练习
7 . 设
,求证:
.
(推论:设
,则
.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09881de0dc186bbcd1e60eb00159ee97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825b51b6d8d4a5dd97f46607843c365b.png)
(推论:设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840eaf5925f883a403296c7f6e80925b.png)
您最近一年使用:0次
解题方法
8 . 已知当
时,
恒成立.
(1)求
的取值范围;
(2)若
,
的最大值为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd7d2bb9fd6de312a742ef10c81b9b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0dee6fb41faf4f57c65b1f21cfab4e6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0102c694f0d246336867e2fe17116909.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/32b4027dd0f9df0c731684674b4c164c.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)求不等式
的解集;
(2)将函数
的图象与直线
围成的封闭图形的面积记为
,若正数a、b、c满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313ba9c8f5c6f9c6d64743ac0b5d8f56.png)
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5e99a8ad904bededd27db48ce3a45f.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9cdbd1f1d29c8fc748784e82009ae5a.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de72a5190834f5dbe895596656c038b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313ba9c8f5c6f9c6d64743ac0b5d8f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e7c06ed691c2159d87386218b67e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27df7fcb95a2730d8ebbc2644a72b5c9.png)
您最近一年使用:0次