名校
解题方法
1 . 设函数
.
(1)当
时,
恒成立,求k的最大值;
(2)设数列
的通项
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a207c5cf632eb4f39859b9f556df983.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb23272635181bb51db5a6a1917d73aa.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ececf066e41db202ab30f5f26c78c50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe65fbf941ce2be8b71b4329bac4bc7.png)
您最近一年使用:0次
2022-05-11更新
|
672次组卷
|
2卷引用:江苏省盐城市阜宁县东沟中学2022届高三下学期第三次综合训练数学试题
名校
2 . 已知函数
=e2x,
,m>0,设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
(1)若函数
有两个零点,求实数m的取值范围;
(2)若直线
是曲线
=e2x的一条切线,求证:a>b,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5734d093f305e687e303a62a6860f790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d733483fdf7269db1e357c6207d2747.png)
您最近一年使用:0次
3 . 已知函数
.
(1)求函数
的单调区间
(2)若
,证明:
存在两个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c9fd646bd312146e5b489b54c14341.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9157580973e78e7fc38f7cb4cceb88f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c01d4e97925f0c5c157bfcac65b88c.png)
您最近一年使用:0次
2022-04-22更新
|
619次组卷
|
3卷引用:江苏省南通市基地学校2022届高三下学期第四次大联考数学试题
名校
4 . 已知函数
.
(1)已知直线
是曲线
的一条切线,求k的值;
(2)若函数
有两个不同的零点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c0b471c9a4ff941c65b0dc3b7605b7.png)
(1)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71fa9d48d986eb047a899228e0a90713.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/f9ac8f3b53dde42307d38cca9b7bd98f.png)
您最近一年使用:0次
2022-05-13更新
|
613次组卷
|
2卷引用:江苏省连云港市2022届高三下学期高考前模拟(一)数学试题
解题方法
5 . 已知函数
,其导函数为
.
(1)若函数
在
处的切线过原点,求实数a的值;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe57c09ce4f23c0ef11ad30da31d4c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(1)若函数
![](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/e8224b38d6e855172dd0ef7d6db91e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38ac307b08f632d3988e793eb80083d.png)
您最近一年使用:0次
解题方法
6 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912276487014d39fd0ee156500247426.png)
(1)判断是否存在实数
,使得
在
处取得极值?若存在,求出实数
;若不存在,请说明理由;
(2)若
,当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ba70b48aedfd52e2443e3bdcfbdf7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912276487014d39fd0ee156500247426.png)
(1)判断是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c0a8155f5a6af42d37856f6c95a0bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
您最近一年使用:0次
名校
7 . 已知
.
(1)讨论
的单调性;
(2)已知函数
有两个极值点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ebcf3530aab15b10292e992a1cd070.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(2)已知函数
![](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/9e8b8bceaf40b50b078a76793310856f.png)
您最近一年使用:0次
2020-05-29更新
|
1001次组卷
|
4卷引用:江苏省南京市雨花台中学2022-2023学年高三上学期“零模”模拟调研数学试题