名校
1 . 已知
.
(1)求
极小值点的最大值;
(2)证明:当
时,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa98d01d1a048092f8807da9c036376.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80a0c3b1c8baa969ab154985e56ffc16.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
.
(1)若
恰有两个极值点,求实数
的取值范围;
(2)若
的两个极值点分别为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/125c0225ea4ef140fd3236739a9aa024.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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/6ced2ceab6d52a14af4d477a9ff09823.png)
您最近一年使用:0次
2024-04-01更新
|
500次组卷
|
3卷引用:甘肃省武威市天祝第一中学、民勤县第一中学2023-2024学年高二下学期第一次月考数学试题
甘肃省武威市天祝第一中学、民勤县第一中学2023-2024学年高二下学期第一次月考数学试题(已下线)专题07 函数的极值和最值的应用8种常考题型归类【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北师大版2019选择性必修第二册)吉林省珲春市第一高级中学、图们市第二高级中学2023-2024学年高二上学期期末考试数学试题
名校
解题方法
3 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f28d658a855c6ae50d73616b56eb72.png)
(1)若
,求实数
的取值范围;
(2)设
是
的两个零点(
),求证:①
;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f28d658a855c6ae50d73616b56eb72.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4f1c5ef4da03c0e365ceb11c9e6f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7996c8703d622f56fe00ca3b59c79881.png)
您最近一年使用:0次
4 . 已知函数
.
(1)当
时,比较
与
的大小;
(2)若
,比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde0b16f17670d45739d6e4c577316e0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/775cc84ebf8c5c771c750dbe16940d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7db641bf4e86507e33f0b2482f25e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0499f7b9eb5bf83d45a8a73bcdc4911e.png)
您最近一年使用:0次
解题方法
5 . 已知函数
,
.
(1)当
,
时,证明:当
时,
恒成立;
(2)当
时,若函数
在
处取得极大值,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304ae19859127998c3bc262d7b2b70e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681d6d27b23b1c41834d7516122f73f9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f043567da9d56738141114eb678706bf.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3f749686fc3926d7ca6c09ee6b4aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1bf5207dc0a8840f3a7188ee29d0d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
您最近一年使用:0次
解题方法
6 . 已知函数
.
(1)当
时,证明:
;
(2)已知
,
,求证:函数
存在极小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d44d5e638a975bc93491659a141d8c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29cee707aaa2ee5798e38b9624dc396e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80cd7a435009b8713641e5ff655179a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb319ba3ed05f5ad4c9f56b40e43e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
您最近一年使用:0次
解题方法
7 . 已知函数
.
(1)若
恒成立,求实数
的值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2230568818911397d7b151dda758fc58.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade2a39015ce080f68a6e3e2992b1d16.png)
您最近一年使用:0次
8 . 已知函数
的导函数为
.
(1)若
,求曲线
在点
处的切线方程.
(2)若
存在两个不同的零点
,
(ⅰ)求实数
的取值范围;
(ⅱ)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e15ecb3e777a4767f56bb7ceb105d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(ⅰ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ⅱ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c701c5c07f7c584aadd218d9e341d3ac.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.(注:
是自然对数的底数).
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,函数
在区间
内有唯一的极值点
.
①求实数a的取值范围;
②求证:
在区间
内有唯一的零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dd929466e5c6154e117736e7f6a44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a6e994de8c5b24d0a7c460bdffba4b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
①求实数a的取值范围;
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76dfbda3e7b9b432b2204130c53eb75.png)
您最近一年使用:0次
2024-03-03更新
|
1066次组卷
|
3卷引用:天津市南开中学2024届高三第四次月检测数学试卷
名校
10 . 设函数
,其中a为实数.
(1)当
时,求
的单调区间;
(2)当
在定义域内有两个不同的极值点
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb835361d74631772eee26cf9cd5b0f1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](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/2fa4790fbf12830c009aa2c0d4dd3a8f.png)
您最近一年使用:0次
2024-03-03更新
|
984次组卷
|
6卷引用:广东省2024届高三下学期2月大联考数学试题
广东省2024届高三下学期2月大联考数学试题江苏省常州市奔牛高级中学2023-2024学年高二上学期第一次阶段调研数学试题(已下线)2023-2024学年高二下学期期中复习解答题压轴题十七大题型专练(1)(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河北省石家庄二中润德中学2023-2024学年高二下学期第一次月考数学试题山西省太原市成成中学校2023-2024学年高二下学期4月月考数学试题