名校
解题方法
1 . 已知函数
,
.
(1)当
时,求曲线
在
处的切线方程;
(2)求
的单调区间;
(3)设
是函数
的两个极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1237be7b7b3712cfe108061534ef7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2aabc96b7433bba077ceac76d8f0d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ac3f646599fe63ff886d34750e4e6a.png)
您最近一年使用:0次
2024-01-25更新
|
1799次组卷
|
5卷引用:福建省莆田市莆田第一中学2024届高三上学期第一次调研数学试题
福建省莆田市莆田第一中学2024届高三上学期第一次调研数学试题天津市宁河区2024届高三上学期期末数学试题(已下线)重难点2-4 利用导数研究不等式与极值点偏移(8题型+满分技巧+限时检测)(已下线)2023-2024学年高二下学期第一次月考解答题压轴题十六大题型专练(2)(已下线)模块2专题7 对数均值不等式 巧妙解决双变量练
名校
解题方法
2 . 已知函数
有两个极值点
,
.
(1)求实数
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa6a40d8772bdc1becba2857272aa7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70a31c1e21548002b21b55015d361cf.png)
您最近一年使用:0次
2024-01-25更新
|
1553次组卷
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8卷引用:2024届福建省厦门市一模考试数学试题
2024届福建省厦门市一模考试数学试题广东省广州市培正中学2024届高三上学期第二次调研数学试题福建省部分地市2024届高三上学期期末数学试题(已下线)5.3.2课时1函数的极值 第三课 知识扩展延伸(已下线)重难点2-4 利用导数研究不等式与极值点偏移(8题型+满分技巧+限时检测)(已下线)微专题08 极值点偏移问题(已下线)云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试题变式题16-19(已下线)模块2专题7 对数均值不等式 巧妙解决双变量练
3 . 已知函数
,
.
(1)若
满足
,证明:曲线
在点
处的切线也是曲线
的切线;
(2)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97d51430298d99909a8f673d1039d6f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538f9b0676cc0cd02c09fac51d9e4fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8206742853cbd11f12c833b2f07949ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae1b87c23b45ce5e5e74d5b1d73234.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3c2be7482719651bcf491949681e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b24ab2c1aa0979146fbb30b7d72d6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13bfeb2f86cf0e842ff71c3d21880fe5.png)
您最近一年使用:0次
名校
4 . 设函数
(
).
(1)讨论
的单调性;
(2)若
有两个极值点
,
,记过点
,
的直线的斜率为
,若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c5230a577d9cd718c3b54861edd2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/b45dddee525114c09ee0d1205aed6e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3b54e0dcdc081d45fb3df933cddc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f9ec3190965f264bda4e70d664bf51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff05c3438b3c9332b6fa5a173ae4edb.png)
您最近一年使用:0次
2023-09-09更新
|
488次组卷
|
2卷引用:福建省名校联盟2023届高三高考模拟考试4月数学试题
5 . 已知函数
.
(1)讨论
的单调性;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edee9eb9aef90a976685a3c59834cc7.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138b894d5a841b576066d8fa3910c844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffcc1ca20768050cfe09901f8951f87.png)
您最近一年使用:0次
6 . 已知函数
.
(1)当
且
时,求函数
的单调区间;
(2)当
时,若函数
的两个极值点分别为
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cce6b1d945738b852ab3dcd664019f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff06fc6ce128397a6471b834113baec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d68efa1e5a79e970de042c8d5ea487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e426a50fab1e21a5460bf62613ad2d7.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/ab2864e08325cd1d6c627ea204a31e70.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
,其中
.
(1)若
在
上恒成立,求
的取值范围;
(2)证明:
,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c3f055edd37f6d913d795e43a22952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c7572463225bb3b65cb371f4496440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b447d75e2fc72052232e68d5c36101.png)
您最近一年使用:0次
名校
8 . 已知函数
.
(1)已知过点
的直线
与曲线
相切于
,求
的值;
(2)已知
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda80a72fcc5fd51a32caee55e6d4f3b.png)
(1)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f2bbe7a96bebd043bb5f3e85e8cd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234dac6ab56e10a7550a3659e21a7a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1224aa410c244829cdb45126306bc00.png)
您最近一年使用:0次
名校
9 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,若
有两个实数根
,且
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49733a7ad8e585092458da71069f3ec5.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5809a06357f94fc7a2156c7e7af1ed2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40148b3ecf88fbd1923d4303396eda9.png)
您最近一年使用:0次
名校
10 . 已知函数
.
(1)讨论函数
的单调性;
(2)若函数
有两个零点
,
,且
,求证:
(其中
是自然对数的底数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebb9fac6533601d0c4ffcf0ca6f8251.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9219cb7f65bedd1fa387715a860ec623.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/9516b75256c8a9b7d78392a60ddb1cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39e78987883d0d1a60a1f0d089a2b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
您最近一年使用:0次
2023-06-25更新
|
787次组卷
|
7卷引用:福建省福州第一中学2023届高三适应性考试(三)数学试题