名校
1 . 已知函数
.
(1)试讨论函数
的零点个数;
(2)设
,
为函数
的两个零点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33697b15fb86e4f2838f056deb400a56.png)
(1)试讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a5a896b4d6c391cedfc8fa80ffe8b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b725fdc8de9800f2692f6fea8585b1e9.png)
您最近一年使用:0次
2022-10-28更新
|
243次组卷
|
2卷引用:江苏省南京市第一中学2022-2023学年高三上学期9月质量检测数学试题
名校
2 . 已知函数
,
.
(1)求
的单调区间;
(2)已知
有两个极值点
,
且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5227d81433a93901b6d17a34e0ce516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e477aa5f8c79e4dcf2b0110aad15961.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)已知
![](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/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ed5a4f8d724011398458765f0f2edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee657c3f25e5b18440df03913f38f219.png)
您最近一年使用:0次
2020-10-10更新
|
547次组卷
|
5卷引用:江苏省南京市第五高级中学2023届高三下学期3月月考数学试题
名校
解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b5abb2b98c80f88e92bdb17663b1de.png)
(1)求
的解析式及单调区间;
(2)若
,求
的最大值;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b5abb2b98c80f88e92bdb17663b1de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6b274b76b192c8e8a943bca0d6e110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7fa08346d04d576291f433f824bbab.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a70cbca4a2eb7eddc743e4233edd41d.png)
您最近一年使用:0次
20-21高二·全国·单元测试
名校
解题方法
4 . 已知函数
,其中
为常数.
(1)若a=0,求函数f(x)的极值;
(2)若a=﹣1,证明:函数f(x)在(0,1)上有唯一的极值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a32e3025b76a9863453b0005fe56b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若a=0,求函数f(x)的极值;
(2)若a=﹣1,证明:函数f(x)在(0,1)上有唯一的极值点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ffe0afc6fa9e62ff75d13f656e7cc4.png)
您最近一年使用:0次
5 . 已知函数
,无理数
是自然对数的底数.
(1)求
的单调区间;
(2)设
,证明:对
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c15bc894bb503ffde9800a9ddfb4401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ee98b9fcbeb97595e6fc35cdf71c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33d41d398944a02f613784ff1ceeaf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339db9d7fb9ff3f07172653144d4ba7a.png)
您最近一年使用:0次
2020-09-16更新
|
413次组卷
|
2卷引用:江苏省南京市2023-2024学年高二上学期数学期末复习数学试题
名校
6 . (1)已知函数
(
).
①试讨论函数
的单调性;
②若
,
为函数
的两个极值点,证明:
.
(2)证明:
(e为自然对数的底数,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454df746181bc181a9842b1fb91f2b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
①试讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②若
![](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/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c9325b07222170543be26dd5e06a1b.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1a1a0294c4c050a9dea21ae59b5bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad52924df9291d5d191d18e09374ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
,
.(
为自然对数的底数)
(1)设
;
①若函数
在
处的切线过点
,求
的值;
②当
时,若函数
在
上没有零点,求
的取值范围.
(2)设函数
,且
,求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d70266454df40256268b19b055a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8d28c711e4c5b2dd75047801ed2d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd09fb9482124fd35f19b86894648f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f00bba28ce932fbcc82ed562994f031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f669dcf6b9da65aab4c1afafb68b8dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52ed14f9b002ee44c19c1c674fbad2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee863b185ed0bc1dddccd153e8f1f8e.png)
您最近一年使用:0次
2018-03-07更新
|
704次组卷
|
14卷引用:2015届江苏省南京市、盐城市高三第一次模拟考试理科数学试卷
2015届江苏省南京市、盐城市高三第一次模拟考试理科数学试卷2015届江苏省南京市、盐城市高三第一次模拟考试文科数学试卷2016届湖南省东部株洲二中六校高三12月联考理科数学卷2017届河北武邑中学高三上调考三数学(理)试卷2017届河北武邑中学高三上调考三数学(文)试卷2017届河南息县一高中高三上月考一数学(理)试卷广东省珠海市珠海二中、斗门一中2018届高三上学期期中联考数学(理)试题江西省赣州市寻乌中学2018届高三上学期期末考试数学(理)试题云南省昆明市第一中学2018届高三第六次月考数学(理)试题(已下线)《2018届优等生百日闯关系列》【江苏版】专题二 第三关 以函数零点为背景的解答题【区级联考】天津市和平区2018-2019学年度第二学期高三年级第三次质量调查数学(文)试题【区级联考】天津市和平区2019届高三年级第三次质量调查数学(理)试题2019届天津市和平区高三高考三模数学(文)试题天津市和平区2019届高三下学期第三次质量调查理科数学试题
名校
解题方法
8 . 已知函数
.
(1)当
时,求函数
的最大值;
(2)若函数
存在两个极值点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f975d9e38abca231a59b33e81ed7fb4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](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/5e91c48887b5b851ad7f13334cd8bbc3.png)
您最近一年使用:0次
2020-05-09更新
|
324次组卷
|
2卷引用:江苏省南京市第五高级中学2020-2021学年高三上学期9月摸底数学试题
9 . 已知等差数列
和等比数列
均不是常数列,若
,且
,
,
成等比数列,
,
,
成等差数列.
(1)求
的通项公式;
(2)设
,
是正整数,若存在正整数
,
,
,使得
,
,
成等差数列,求
的最小值;
(3)令
,记
的前
项和为
,
的前
项和为
,若数列
满足
,且对
,
,都有
,设
的前
项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebaf2a2590bb84d646957f913d78f6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b2667a6c91b720ca9b42d092c776cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1514ce14e8727ccf637b1a7776a347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bfd0fa5d67b0fc58b2c60d24ddba4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6644fba340c7fe81fe55f6effde570ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a548938d87c80ac47910607d3857007f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9403a47950705a3b62b2022039ff9d9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e7fafcf8616dae8ae25db2aa9baeb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf4cfd964a4dc210506b816ca3e3a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c96cc5bb193804871df0530c76d506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc83b866beaec6cc516b619de502a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c2a5f8ec179b72b201c3c0a670612a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960b682f983b053dc9064cf29c97e250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9caf4be9d2a8557f11a2b43d4c76c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c68b253787b7980d259a243ee42ecfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e75f1926e043434fdeb1c5bf36cfc4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960b682f983b053dc9064cf29c97e250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8404638a4805811f3ff0d19af38868f.png)
您最近一年使用:0次
10 . 设函数
,其中
R.
(1)若a=0,求过点(0,﹣1)且与曲线
相切的直线方程;
(2)若函数
有两个零点
,
.①求a的取值范围;②求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1524cc6426cd0fad327fb5fd4ce1e5c.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45638ae62892b6fdec7b1048097805a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb71310ec267ea2c2fc0ccaeb2343d0.png)
(1)若a=0,求过点(0,﹣1)且与曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)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/d1524cc6426cd0fad327fb5fd4ce1e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37708a68d0ca72413ada85d01d2ed19.png)
您最近一年使用:0次
2018-02-01更新
|
630次组卷
|
5卷引用:江苏省南京市2017-2018学年高二上学期期末考试数学理试题
江苏省南京市2017-2018学年高二上学期期末考试数学理试题【全国校级联考】江苏省姜堰、溧阳、前黄中学2018届高三4月联考数学试题(已下线)2017-2018学年度下学期高二数学期末备考总动员C卷理科01(已下线)2017-2018学年度下学期高二数学期末备考总动员C卷文科01【市级联考】江苏省无锡市2019届高三第一学期期末复习数学试题