名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad8d43f6d7b536ddb5d8d6a3fc0fc1.png)
(1)讨论函数
的单调性;
(2)若
有两个极值点
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad8d43f6d7b536ddb5d8d6a3fc0fc1.png)
(1)讨论函数
![](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/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec9bd9544d87d592678df253a61cfae.png)
您最近一年使用:0次
名校
2 . 阅读材料一:“装错信封问题”是由数学家约翰·伯努利(Johann Bernoulli,1667~1748)的儿子丹尼尔·伯努利提出来的,大意如下:一个人写了
封不同的信及相应的
个不同的信封,他把这
封信都装错了信封,问都装错信封的这一情况有多少种?后来瑞士数学家欧拉(Leonhard Euler,1707~1783)给出了解答:记都装错
封信的情况为
种,可以用全排列
减去有装正确的情况种数,结合容斥原理可得公式:
,其中
.
阅读材料二:英国数学家泰勒发现的泰勒公式有如下特殊形式:当
在
处
阶可导,则有:
,注
表示
的
阶导数,该公式也称麦克劳林公式.阅读以上材料后请完成以下问题:
(1)求出
的值;
(2)估算
的大小(保留小数点后2位),并给出用
和
表示
的估计公式;
(3)求证:
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d4e8502106802f1485c3b0f28f2664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8412f5256b2b370e421c07f18cc732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4403d632f9a81e52c6cd135c6834bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
阅读材料二:英国数学家泰勒发现的泰勒公式有如下特殊形式:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce152ca98ac7e21237e00667f005b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35993bd1db970330494665d925c0be7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395c6efaa63dcd4ee513323d51c6a7eb.png)
(2)估算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2598975ac1edb754817eada15b9a473e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d4e8502106802f1485c3b0f28f2664.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca08ded0d1136421f0a81517f5c2fc9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
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解题方法
3 . 已知双曲线
,直线
为其中一条渐近线,
为双曲线的右顶点,过
作
轴的垂线,交
于点
,再过
作
轴的垂线交双曲线右支于点
,重复刚才的操作得到
,记
.
(1)求
的通项公式;
(2)过
作双曲线的切线分别交双曲线两条渐近线于
,记
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be56ac444cd8deb01180432555c86b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b293b8d25590ef6f6ae0e9e7486a32a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2214909d55698044e2d16019d902a79.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fd18a909cecbaee7115d6b15631d83.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e819b87f90651d89fcd258c276294e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2b5502151b6c1e7e3ffe3b8c8988fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7987d2fc837254192070e6a979aa00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32abe6c3ae6253b064f5e68c2a52bfb.png)
您最近一年使用:0次
2024-02-06更新
|
707次组卷
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2卷引用:重庆市第一中学校2023-2024学年高二下学期定时练习(三)数学试题
解题方法
4 . 已知函数
,且
.
(1)求
的极值点;
(2)设
,若
,
分别是
的零点和极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb4468565e4e7b27cb22db40cedd1b5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde66f0ef8ea3ac6d6ac91a93ba69ae5.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc102216a34104ba292b4add89c2d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e583e6cd3ad4198e16d65422b5c70a.png)
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2022·江苏南通·一模
名校
5 . 已知函数
,其中
,e为自然对数的底数,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f26144f5b2bcf1a979bea9c3e114405.png)
(1)若函数
在定义域上有两个零点,求实数a的取值范围;
(2)当
时,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b4bf28a8821e3b58f01ebc5ed3495a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f26144f5b2bcf1a979bea9c3e114405.png)
(1)若函数
![](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/09fab5e4916138546c5a15b4c9252f52.png)
您最近一年使用:0次
2022-03-15更新
|
1507次组卷
|
7卷引用:重庆市缙云教育联盟2022届高三下学期3月质量检测数学试题
重庆市缙云教育联盟2022届高三下学期3月质量检测数学试题重庆市四川外语学院重庆第二外国语学校2023届高三下学期开学考试数学试题(已下线)江苏省南通市如皋市2022届高三下学期第一次调研测试数学试题江苏省南通市基地学校2022届高三下学期适应性考试(一)数学试题安徽省六安市舒城中学2022届高三下学期仿真模拟(二)文科数学试题(已下线)第九章 导数与三角函数的联袂 专题四 利用导数证明含三角函数的不等式 微点1 利用导数证明含三角函数的不等式(一)(已下线)重庆市巴蜀中学2024届高三上学期适应性月考(二)数学试题变式题19-22
名校
解题方法
6 . 已知函数
.
(1)若
,
(i)求
的极值.
(ii)设
,证明:
.
(2)证明:当
时,
有唯一的极小值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cf6e32e792e5161ed56349841ef9e3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(ii)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531a488d57fde1a07d79b7590f964e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877835f59a9147b8ee3243af7f6e38f5.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65cc52aacc31a21a443c8de0374b24f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c052a4d10c0f6291d53bd20ca5b960b.png)
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2023-03-19更新
|
722次组卷
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2卷引用:重庆市巴蜀中学2022-2023学年高二下学期第一次月考数学试题
名校
解题方法
7 . 已知函数
,
是自然对数的底数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f53f81bca037a4383c1fab122a3cd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
A.![]() ![]() |
B.![]() |
C.若![]() ![]() |
D.对任意两个正实数![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-05-15更新
|
1452次组卷
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4卷引用:重庆市重庆市长寿区重庆市长寿川维中学校2023-2024学年高二下学期5月月考数学试题
8 . 已知函数
.
(1)求
的极值;
(2)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8527bafc8782d8fc8db0c38d7ab7fa1a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3ff8f362d6429bc8e4ce8515ad4668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea134f599285e3d32d2ab3e7186990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79b04c3e6c74a7b5dafa9d0dc7e8231.png)
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2022-04-22更新
|
1450次组卷
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6卷引用:重庆市2022届高三第八次质量检测数学试题
重庆市2022届高三第八次质量检测数学试题山东省青岛市青岛第二中学2022-2023学年高三上学期期末数学试题(已下线)山东省青岛第二中学2022-2023学年高三上学期1月期末测试数学试题变式题17-22江苏省镇江市句容碧桂园学校2022-2023学年高三下学期期初模拟数学试题内蒙古赤峰市八校2023届高三第三次统一模拟考试联考文科数学试题(已下线)模块十 最后一课 考前易错提醒
名校
9 . 已知函数
.
(1)讨论函数
的单调性;
(2)若函数
有两个极值点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da565e34b401be5b2ffadc6a292e8c3a.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/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/144275da56beaa080a45fba4b49da3c5.png)
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10 . 已知函数
.
(1)讨论
的单调性;
(2)设
,若
,
是
的两个极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b450287f8fa1f4687f3efc3fd7444e2e.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4fa78856909db6d9e7c43078bcc7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4588a79e160bca3711b1151a52f26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1b9f152654fd42b112adb81a5879bc.png)
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2023-11-09更新
|
617次组卷
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5卷引用:重庆市九龙坡区渝高中学校2024届高三上学期第三次质量检测数学试题