已知函数
和
有相同的最小值.
(1)求
的值;
(2)设
,方程
有两个不相等的实根
,
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52491ea18e53c4999b48391a361aaaa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7863b54185da5a3f1a765e1aa0577e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcf15c03495709c4d2134a0827e952d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3431eca0cf24fa8ee2a4094b26f554.png)
2023·山东淄博·一模 查看更多[4]
更新时间:2023-03-01 10:12:00
|
相似题推荐
解答题-问答题
|
较难
(0.4)
解题方法
【推荐1】已知函数
.
(1)求曲线
上一点
处的切线的方程;
(2)设函数
的两个极值点为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532d6ca65c31c1795efe1809816354d7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51e8ba76aeaf33001fdcc990ba8bad4.png)
您最近一年使用:0次
解答题
|
较难
(0.4)
名校
【推荐2】设函数
,
,(
),
,
(1)当
时,设
,
,
,
轴,求
,
两点间距离的最小值;
(2)若
时,函数
的图像恒在函数
图像上方,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfe4d41b93ebaf3b18eeaa31b6ec15e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43977bbcee3978ca4c767b4d56aff2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3c2be7482719651bcf491949681e05.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be076b1a1877d3bdc5d49d74fc8cf4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb60b92a1125a7b85d06a0bb8ae4af71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c629e0720fcae1c96b757b7d56529d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a6a04f8a6ea697d76f0a2d0b4627d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4133958c09fdd82cda8838c9cf46ccda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e06dbb709f9d76ac218c7e222b18c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
【推荐1】已知函数
(e为自然对数的底数)有两个零点.
(1)若
,求
在
处的切线方程;
(2)若
的两个零点分别为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/236b1f10d3ed522215b3c9f00fdc1862.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41943ce4a9635c29f692233021287a66.png)
您最近一年使用:0次
解答题
|
较难
(0.4)
名校
【推荐2】已知函数
,其中
,
,
是自然对数的底数.
(Ⅰ)讨论
的单调性;
(Ⅱ)设函数
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0255ef2567bcf62cf595fcb881a413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(Ⅰ)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79819087ef0979d62284e850f02d161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8148436d0fb5d370b5672176ed2577d0.png)
您最近一年使用:0次