名校
1 . 已知函数
,若
在
处的切线方程为
.
(1)求a,b;
(2)证明:任取
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff95c6ef6daf59898d13642eec334ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
(1)求a,b;
(2)证明:任取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168163183a3d4663be45755f44676191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e71458ea0a27b8b8c0cb308e1dc3eff0.png)
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名校
解题方法
2 . 设函数
(其中
),且函数
在
处的切线与直线
平行.
(1)求
的值;
(2)若函数
,求证:
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9595f2886d2696455c0d4a2acc3f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24342a4030f7118869fc157912b1afc1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a8975d6ec3f6a77fe38230a8d00144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
您最近一年使用:0次
2020-04-17更新
|
417次组卷
|
4卷引用:2020届云南省曲靖一中高三二模(理科)数学试题
2020届云南省曲靖一中高三二模(理科)数学试题陕西省榆林市高新中学2019-2020学年高三上学期第一次月考数学(理)试题(已下线)理科数学-2020年高考押题预测卷02(新课标Ⅲ卷)《2020年高考押题预测卷》陕西省榆林市第十二中学2020-2021学年高三上学期第二次月考数学(理)试题
3 . 已知函数
.
(1)当
,
时,求曲线
在点
处的切线方程;
(2)当
,
时,求证:曲线
与
有公共点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d1fe08550b963fea1f77ee234043af.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91040d2fc6a8515d7ee530f4df38c6ba.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad6035554c1be63df5466fd91df5301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
您最近一年使用:0次
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4 . 已知函数
,
.
(1)函数
在点
处的切线的斜率为2,求
的值;
(2)讨论函数
的单调性;
(3)若函数
有两个不同极值点为
、
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943ae692b912c7a586bbbd0317160fc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/bd2d6cc41c19998e690c2fc082265f09.png)
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2020-05-22更新
|
650次组卷
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4卷引用:云南省玉溪第一中学2021-2022学年高二下学期期中考试数学试题
云南省玉溪第一中学2021-2022学年高二下学期期中考试数学试题2020届天津市河东区高考模拟数学试题(已下线)专题20 导数(解答题)-2020年高考数学母题题源解密(天津专版)四川省南充高级中学2021-2022学年高三上学期第三次月考数学(理)试题
5 . 已知函数
,且曲线
在
处的切线方程为
.
(1)求a的值;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafd276c45327a7f646070a4b89e6215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
(1)求a的值;
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3417699eb4a32521b7ff1f7b2a1d5f47.png)
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2020-02-28更新
|
390次组卷
|
2卷引用:2020届云南省曲靖市陆良县高三第一次摸底数学(理)试题
6 . 已知函数
,
,其中a为常数,e是自然对数的底数,
,曲线
在其与y轴的交点处的切线记作
,曲线
在其与x轴的交点处的切线记作
,且
.
(1)求
之间的距离;
(2)对于函数
和
的公共定义域中的任意实数
,称
的值为函数
和
在
处的偏差.求证:函数
和
在其公共定义域内的所有偏差都大于2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c817c0db45a27b8026fd82ed14d9e1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7508df4eea1a5cded24ab4b171112ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07df412833b49d563d58219b70ede0b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
(2)对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32b73ed7e4c207600872d9c012bfcad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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名校
解题方法
7 . 已知函数
.
(1)当
时,若函数
在
,
(
)处导数相等,证明:
;
(2)是否存在
,使直线
是曲线
的切线,也是曲线
的切线,而且这样的直线
是唯一的,如果存在,求出直线
方程,如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0791fdcbcbfa5113bb202e11ddfc92cc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec641af208c8cb95bb02965dd440653.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/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ffaa619de040c62d99af85efcb74cf.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406bdec96fef04a54dc125edcce5e48d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2020-03-17更新
|
712次组卷
|
4卷引用:2019届云南省昆明市高考模拟考试(第四次统测)理科数学
2019届云南省昆明市高考模拟考试(第四次统测)理科数学四川省宜宾市第四中学2020-2021学年高三上学期开学考试数学(文)试题四川省宜宾市第四中学2020-2021学年高三上学期开学考试数学(理)试题(已下线)2022年高考考前20天终极冲刺攻略(一)【理科数学】(5月20日)
名校
8 . 已知函数
的图象在
处的切线斜率为
.
(1)求实数
的值,并讨论
的单调性;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66aa5d9819812f0a2aa469471b94d5f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4f19bc4ea459e362a5acaaa82c8cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409eb3f8c7654e0bf87c56eabeca6f34.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453dbcdf18ab830f5959a4988a1ec048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880270d8cc1cf4f9e380f8963cb9f84f.png)
您最近一年使用:0次
2019-11-06更新
|
940次组卷
|
3卷引用:云南省师范大学附属中学2019-2020学年高三上学期11月月考数学(文)试题
名校
9 . 已知函数
.
(1)若曲线
在
处的切线斜率为0,求实数
的值;
(2)记
的极值点为
,函数
的零点为
,当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085787dfe1e1d63a172deee2218b2582.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7dd41d99c71a7cbb44f0e0ad70f6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900ba908f2429c0f5779b576f86ef7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
您最近一年使用:0次
2019-11-06更新
|
287次组卷
|
2卷引用:2020届云南师范大学附属中学高三上学期第三次月考数学(理)试题
名校
解题方法
10 . 已知
,
,若点A为函数
上的任意一点,点B为函数
上的任意一点.
(1)求A,B两点之间距离的最小值;
(2)若A,B为函数
与函数
公切线的两个切点,求证:这样的点B有且仅有两个,且满足条件的两个点B的横坐标互为倒数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d70266454df40256268b19b055a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914a49b0d7aedc593a3e87fbab7c31ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(1)求A,B两点之间距离的最小值;
(2)若A,B为函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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2019-09-29更新
|
865次组卷
|
3卷引用:2019年云南省师范大学附属中学高三上学期第一次月考数学(理)试题