解题方法
1 . 设函数
,
.
(1)若
在
处切线的倾斜角为
,求
;
(2)若
在
单调递增,求
的取值范围;
(3)证明:对任意
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6febdc7a9ce1d257e098b5d83a899a6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.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/2372f424431ce7b547a66b7d61d75421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505d56f0b35fe7f2de1fe1888036e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5145b54d689c1bdef13185be78024353.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若
是增函数,求a的取值范围;
(3)证明:
有最小值,且最小值小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/792c57367bafbfcc9931b68ef0a23cf1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
您最近一年使用:0次
2023-04-25更新
|
1200次组卷
|
3卷引用:北京市丰台区2023届高三二模数学试题
解题方法
3 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)当
时,求函数
的最小值;
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3d74bc831a959f5d2a2b016548eba0.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3319647314c3b6d82958a909acd2a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa28d88f51b12f459ecd72cc1e89b66e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4111d2554857f00ff500ee792baada1.png)
您最近一年使用:0次
2023-05-10更新
|
1288次组卷
|
4卷引用:北京市房山区2023届高三二模数学试题
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f5745682e5823ffaece03ff00945c6.png)
(1)求曲线
在点
处的切线方程;
(2)求证:
;
(3)若函数
在区间
上无零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f5745682e5823ffaece03ff00945c6.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89f5698f41b542aff4bcebbc81ff92b.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307eabe27b259f882d79a7eef5598492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
您最近一年使用:0次
5 . 已知函数
.
(1)当
时,
(i)求曲线
在点
处的切线方程;
(ii)证明:
;
(2)若函数
的极大值大于0,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8fd05e8445e6193e832d78dff31b2a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(i)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(ii)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d3c756a52c9185ae6d02d9b9312f29.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24ec3cb2bbc4a06eee2574d1de10468.png)
您最近一年使用:0次
2023-05-05更新
|
1271次组卷
|
3卷引用:北京市朝阳区2023届高三二模数学试题
北京市朝阳区2023届高三二模数学试题北京卷专题13导数及其应用(解答题)(已下线)期末押题预测卷02(范围:高考全部内容)-【单元测试】2022-2023学年高二数学分层训练AB卷(人教A版2019)
名校
6 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,讨论函数
的单调性;
(3)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8326c07f5bc5d332c129798f3450c3c.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)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b06387179d53c1e474fcfcb408b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
您最近一年使用:0次
7 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)设
,证明:
在
上单调递增;
(3)判断
与
的大小关系,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38534e56348088b05b27671489be8227.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a9ba4ae827cc52032bac47f59d2361.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb249754c2d4004068c0bb7e99b9e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135be363b51a75c5c6e2c0d9ce8625f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d50f78b3511e45e1d733f5a487414b.png)
您最近一年使用:0次
2023-03-27更新
|
2721次组卷
|
7卷引用:北京市西城区2023届高三一模数学试题
北京市西城区2023届高三一模数学试题专题05导数及其应用北京卷专题13导数及其应用(解答题)(已下线)专题20利用导数研究不等问题福建省福州市六校联考2022-2023学年高二下学期期末考试数学试题(已下线)第三章 一元函数的导数及其应用(测试)江西省宜春市百树学校2024届高三上学期10月月考数学试题
8 . 设函数
,其中
.函数
是函数
的导函数.
(1)当
时,求曲线
在点
处的切线方程;
(2)证明:当
时,函数
有且仅有一个零点
,且
;
(3)若
,讨论函数
的零点个数(直接写出结论).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442f0bde3f799dd9f72a494a16606708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9fdd2e38a61463831412e20f5e4184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822cf932df4b09ae9c64868d09a74ee3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed5ab3e23cafdcd82ca866423efbcd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2023-03-27更新
|
501次组卷
|
2卷引用:北京市海淀区教师进修学校附属实验学校2023届高三零模数学试题
名校
解题方法
9 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求函数
在
上的最大值和最小值;
(3)设
,证明:对任意的
,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9de663b1fa8c103874079c5887b83b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e205a5122e143150e455f69bff98a650.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/469f9653302200578214e3372c6e7d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c58c1659dffbd5bd9e2428641dfd022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e320f0a2c68ef9a4bfa8d9aa9da6e9a.png)
您最近一年使用:0次
2023-04-11更新
|
1298次组卷
|
4卷引用:北京市顺义区2023届高三一模数学试题
名校
10 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若
在
处取得极值,求
的单调区间;
(3)求证:当
时,关于x的不等式
在区间
上无解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2385eee09c4e5cc6a0f0621c0488b8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47e734b17201fe992be7775714e9558.png)
您最近一年使用:0次
2023-03-29更新
|
1235次组卷
|
4卷引用:北京市房山区2023届高三一模数学试题