名校
解题方法
1 . 已知函数
,
,
(1)若
在
存在极小值点,求
的取值范围;
(2)若函数
有3个零点
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec13d0c7a2f811a742d7e89960c5fec.png)
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63058af7d2cebd31923695c202b5f1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dba7294809f75ea3ac666b709f71b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848c33e3506416358d9f0d3ee66f67a9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65356f586eea8b1a0e18b0c1ee107852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ff16773bd63036c8c881d8417ab555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3551ac437add8a9d19e141adf9e9df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec13d0c7a2f811a742d7e89960c5fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0803dd245899395055f60be4c435034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8adbad2beab443a8607d6ac9215daf.png)
您最近一年使用:0次
2022-10-18更新
|
561次组卷
|
2卷引用:江苏省南通市海安高级中学2022-2023学年高三上学期第二次月考数学试题
名校
2 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,若关于
的方程
有两个实数根
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea6aa6fed027cc61bd79d069500718d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c701c5c07f7c584aadd218d9e341d3ac.png)
您最近一年使用:0次
2022-10-15更新
|
499次组卷
|
2卷引用:江苏省南京市秦淮中学、宇通实验学校等六校2022-2023学年高三上学期10月学情调研数学试题
22-23高三上·江苏盐城·阶段练习
名校
3 . 已知函数
:
(1)讨论
的单调性;
(2)设
,若
在
,
处的切线过点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b956e8f03bef528ac4d3f3d118d29f.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23204c7ce89219fd16a0c6e01f5ee8cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362e7bee16baef0eec7fb661717e1f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36c639bebbd313bd594b9c56d314738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b2f4e61685e716a9ce91b939e10032.png)
您最近一年使用:0次
22-23高三上·江苏盐城·阶段练习
名校
解题方法
4 . 设正实数
,
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc31fbb39a048ff31af6179a3d74153.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知函数
.
(1)当
时,讨论
的单调性
(2)证明:
有唯一极值点t,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0571f1bbd6076e20c9cd91c9b777b425.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
您最近一年使用:0次
解题方法
6 . 已知函数
,
,
与
在
处的切线相同.
(1)求实数a的值;
(2)令
,若存在
,使得
,
(i)求
的取值范围;
(ii)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d927d0aa5d7ec833ab75c831e0f8b0fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2902dd031c440ae8134e61f3717da90e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)求实数a的值;
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a1ab9bfde56954b71395bb6cbfe40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9123e62324a2aab5608112ba927010.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f09d9b32939919ffe198019abbc4a2.png)
(ii)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
您最近一年使用:0次
2022-10-11更新
|
483次组卷
|
2卷引用:江苏省扬州市高邮市2022-2023学年高三上学期10月学情调研测试数学试题
名校
解题方法
7 . 已知函数
,
.
(1)若
在区间
上存在极值点,求实数
的取值范围;
(2)求证:当
时,对任意
,
.
(参考:
,
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2399c2a712a2890dcd0b195d3b9f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f77091501143a99768853eb9f8fd5a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14380dda2463527cf63f9f9acf5e32a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429671166ab81044097fc277f179ee96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0511338aa078cca149b4eb2645e3a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
(参考:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181d50b044b3a7bc83ecd1b36e8ad89b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5927267d2acd61fa5bc5a4a735ced376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28584320918772bf2e15aa7bc9cbb913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb22e1b3f3e96307b0ecd69db5582a56.png)
您最近一年使用:0次
2022-10-11更新
|
275次组卷
|
2卷引用:江苏省苏州市常熟中学2022-2023学年高三上学期第一阶段抽测数学试题
名校
解题方法
8 . 已知
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c86bcf04f2e2c873aaa3473bc3dfc3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-10更新
|
1007次组卷
|
5卷引用:江苏省姜堰中学、如东中学、沭阳如东中学2022-2023学年高三上学期10月联考数学试题
名校
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf84393d740b87de56ac8680b76074e.png)
(1)当
时,求函数在
处的切线方程;
(2)若函数
有两个零点
.
①求
的取值范围;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf84393d740b87de56ac8680b76074e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e1e62266f846674d6837fbff34e42a.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7adc2e931cf83f938c4df237c3d37fae.png)
您最近一年使用:0次
10 . 已知
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8674e0c29d69918736b83bdc8288dc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2022-10-08更新
|
579次组卷
|
2卷引用:江苏省苏州市八校2023届高三上学期第一次适应性检测数学试题