名校
解题方法
1 . 已知函数
,
.
(1)若
恒成立,求
的取值范围;
(2)设正实数
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31653b694d425c914bd6d0242014bc93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7670449b27702bf62d251c6bed5d05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b5890bd5a8fe2650ffbdda74c2ce65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcce89b0004d6a21cb188e71abb965c5.png)
您最近一年使用:0次
2024-01-03更新
|
349次组卷
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4卷引用:辽宁省营口市大石桥市高级中学2024届高三上学期12月质量检测数学试题
名校
2 . 已知
,
,
是关于x的方程
的三个不同的根,且
.
(1)求a的取值范围;
(2)证明:
.
![](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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d1031ed0ad1f362f0fca05e4761034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
(1)求a的取值范围;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafcbd8c4efe661449b82f4ccdc6f70c.png)
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2023-12-29更新
|
466次组卷
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5卷引用:辽宁省朝阳市部分学校2024届高三上学期12月考试数学试题
2023·全国·模拟预测
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3 . 已知函数
,若
对于
恒成立,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f891aa5085a14034f792d741e70e443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb5140d9bfefa0fc1f6d428ff5c2b485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知
,
是函数
的两个零点,且
.
(1)求实数
的取值范围;
(2)证明:
.
![](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/49a526613f779d5a1b991beb38cdafd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80a337fc0833e59367a8cc131ecd7caa.png)
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解题方法
5 . 已知函数
.
(1)若对
时,
,求正实数
的最大值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfd509af00960319b088b20d3d4189a.png)
(1)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b705b0958495774d529c2e2a6c3ae94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477b45c90cd1fd5bd772d5b93e1c7508.png)
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6 . 已知函数
(
,
为自然对数的底数).
(1)若不等式
对于一切
恒成立,求
的最小值;
(2)若对任意的
,在
上总存在两个不同的
,使
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba790bfc7240d9f86fea1f9367a4cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46ecf935049473045cdebae68415657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9add1ab2b4a7baf1396c57bb2e05df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20082e474b757273b4b83b13f16ddb61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281106d1eb0462759ab01d17ba958a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/214618dca74e79067bc27a47ea178ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知函数
有三个零点
、
、
且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ade7c7c24e416005c6dde5c9b58a632.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a84d9e4be643cdd5d1761e0a57ecc7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-14更新
|
1371次组卷
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4卷引用:辽宁省大连育明高级中学2023-2024学年高三下学期第一次模拟考试数学试卷
辽宁省大连育明高级中学2023-2024学年高三下学期第一次模拟考试数学试卷四川省成都市石室中学2024届高三一模数学(理)试题四川省成都市石室中学2024届高三一模数学(文)试题(已下线)重难点05 导数常考经典压轴小题全归类【十大题型】
2023·全国·模拟预测
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8 . 已知函数
.
(1)求函数
在
处的切线方程;
(2)若
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
(1)求函数
![](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/c6e8846ac4b3c305c6735ca205b1aaa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4fed81a5ba094276cf5f13bb398b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba6fb58254a8be57358d6dc64d5a1a5.png)
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9 . 已知函数
.
(1)求
的单调区间,
(2)当
时,对任意
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc91798f52a3c8cc03cffd609397570.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b34f077c53687a9adb8ddf5745ac7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
10 . 用数学的眼光看世界就能发现很多数学之“美”.现代建筑讲究线条感,曲线之美让人称奇.衡量曲线弯曲程度的重要指标是曲率,曲线的曲率定义如下:若
是
的导函数,
是
的导函数,则曲线
在点
处的曲率
.
在
处的曲率
的平方;
(2)求余弦曲线
曲率
的最大值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bac50c92211d6348b056335f6c83ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e669b77945df783df093b549ac2a67d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bec666d4f3a555c67beb6f48244309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd73a43b6bafc011019d7fbba4e61a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9311b13eb2baab6641da9e7b48e13e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029cc1f7d07eeb136bd3946a7eb23e3.png)
(2)求余弦曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b7cde4ca5bbcfbb651e5ea5f6ef5ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32410867843f1a7ef11410da8f3f8dab.png)
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2023-12-04更新
|
392次组卷
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6卷引用:辽宁省辽南协作体2024届高三上学期期中数学试题(A)
辽宁省辽南协作体2024届高三上学期期中数学试题(A)(已下线)模块三 专题2 专题1 导数运算与几何意义的应用安徽省合肥市第十中学2023-2024学年高二下学期文化素养第一次绿色评价数学试卷(已下线)模块三专题2 专题3 导数的几何意义与运算【高二下人教B】(已下线)模块三 专题2 新定义专练【高二下人教B版】(已下线)模块三 专题5 导数的几何意义与运算【高二下北师大版】