解题方法
1 . 若a,b均为正实数,且满足
.
(1)求
的最大值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89dc8118d95d6c7bd5b7d38667a498e8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcb79c362bddb898f8a9d02a5f5d085.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd9ff4f42b949e370af7b5be296a7ab.png)
您最近一年使用:0次
2024-06-08更新
|
338次组卷
|
3卷引用:四川省南充市2024届高三高考适应性考试(三诊)文科数学试题
名校
解题方法
2 . 已知函数
.
(1)若函数
在
上是增函数,求正实数
的取值范围;
(2)当
时,求函数
在
上的最大值和最小值;
(3)当
时,对任意的正整数
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac15cac5b3af917dfc947318d968121.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5e5ba3a62f61ff22319d3decfdc48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/742254b2bd8972eb9d52341ed2ef98f7.png)
您最近一年使用:0次
3 . 已知函数
.
(1)求函数
的单调区间;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21f95f814279f3f7181358e516dcdc3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19178309da9b8f4507996879a3db7010.png)
您最近一年使用:0次
名校
4 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea7114e419879e46c50040dc83df364.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625a079b32205e84bf97be8879fa45eb.png)
您最近一年使用:0次
2023-12-25更新
|
1102次组卷
|
10卷引用:四川省成都市2024届高三一模数学(理)试题
四川省成都市2024届高三一模数学(理)试题(已下线)模块三 大招8 不等式证明——分割与放缩安徽省马鞍山市当涂县第一中学2023-2024学年高二上学期1月期末测试数学试题(已下线)专题1.3 利用导数研究函数的单调性(七个重难点突破)-2023-2024学年高二数学下学期重难点突破及混淆易错规避(人教A版2019)(已下线)重难点06 导数必考压轴解答题全归类【十一大题型】(已下线)专题4 导数在不等式中的应用(讲)(已下线)2023-2024学年高二下学期第一次月考解答题压轴题十六大题型专练(1)(已下线)导数专题:导数与不等式成立问题(6大题型)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)(已下线)模块一 专题4 《导数在不等式中的应用》(苏教版)(已下线)模块三 专题2 解答题分类练 专题5 导数在不等式中的应用【高二人教B版】
5 . 已知函数
.
(1)讨论函数
的单调区间:
(2)若函数
有两个不同的零点
,
①求
的取值范围,
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28369e107062caa655ee3092182df31c.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c532b5af7b88f1c21a7584cfac5fea6c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9292d741666f0e3f9cdbe51f3acbf2a.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
(1)讨论函数
的单调性;
(2)当
时,不等式
恒成立,求实数a的取值范围;
(3)令
,若存在
,
且
时,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcadc169efec6fe6d800449bd952fac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9b08cf69b3ac49d11833e9a47e4e7f.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882ea00f2413de1020f2368786c6dbd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1a5699410baa270f3fa8153ab346e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5f4aadc17b6d5c9760a75fab7fb760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d136fd3c66c833cc3cf80cbf0b2870b1.png)
您最近一年使用:0次
解题方法
7 . 如图,在
中,D,F分别是BC,AC的中点,
,
,
.
分别表示向量
,
;
(2)求证:B,E,F三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5205b7ddc8166feaba03abc4b14127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc03a3ba496faee748a8d63e5d4fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7d3a0680780aaf4549c447fe8dfe9f.png)
(2)求证:B,E,F三点共线.
您最近一年使用:0次
2024-03-21更新
|
901次组卷
|
2卷引用:四川省达州外国语学校2023-2024学年高一下学期3月月考数学试题
名校
解题方法
8 . 已知直线
过定点
,动圆
过点
,且在
轴上截得的弦长为4,设动圆圆心轨迹为曲线
.
(1)求曲线
的方程;
(2)点
,
,
为
上的两个动点,若
,
,
恰好为平行四边形
的其中三个顶点,且该平行四边形对角线的交点在
上,记平行四边形
的面积为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0df983baab580206f665dd278606d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7571e2f20e482a852a5d4639480f6a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7571e2f20e482a852a5d4639480f6a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3f3431c847e8f8447dfa86af8c85f8.png)
您最近一年使用:0次
2024-05-31更新
|
333次组卷
|
3卷引用:四川省成都市石室中学2024届高三下学期高考适应性考试(二)理科数学试卷
解题方法
9 . 如图,在三棱柱
中,
,四边形
为菱形,
.
;
(2)已知平面
平面
,
,求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9332278351ab92e03e984e9279dd06a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43732729894297552d9210f41a634769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7870cee007535b979d35bc7feab75616.png)
(2)已知平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b65798afbc7efaed6d65d0719c3c391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34f6658a6fa46b1597f382a3455ad04.png)
您最近一年使用:0次
7日内更新
|
589次组卷
|
3卷引用:四川省南充市西充县部分校2024届高三高考模拟联考文科数学试题
名校
解题方法
10 . (1)讨论函数
在区间
内的单调性;
(2)存在
,
,满足
,且
.
(ⅰ)证明:
;
(ⅱ)若
,证明:
.(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa2f102710ab36f730e3295846f2a11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfe8e7fb253685e0e50bae0c5482314.png)
(2)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8646b528af1835efe850241749ea77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167435d42312f20ed1d83d49c022f8a5.png)
(ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8a1a2dfd5488a95a8693907bdcb9b4.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e16d06a51dcc46f94863e35ec72ba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc042c4c577a2fa2060ee13bb89345a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830b99ffb2e33df5b4049e3ea9e7f8de.png)
您最近一年使用:0次