名校
解题方法
1 . 已知
,
,
均为正数
(1)求证:
;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8920a005c0b2e5b9cf0f916d1ce20329.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf43bd907a0590831d324d5eff38ea54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd71a22dc65b28a0e6f8e4b9ee9e3b0.png)
您最近一年使用:0次
名校
2 . 已知
、
,设函数
的表达式为
.
(1)设
,
,求函数
在点
处的切线方程;
(2)设
,
,集合
,记
,若
在
上为严格增函数且对
上的任意两个变量s,t,均有
成立,求
的取值范围;
(3)当
,
,
时,记
,其中
为正整数.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f515a2b16232d8c17df0a03a9f835d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68155558673dee3c3b339a73d752097.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4842c7c85e9610baedc948a41107d5e2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0248255c35db564b386e4a997f822a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d2412b086b339e3239162037636102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d9a4cae3158b96893800ddc6ebbc76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf80f9cf72a90e6a974a9b634f06887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec02c0bae70f3baf4887e1bae8667a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8d30f1878c2512f0418788c564d0e7.png)
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名校
解题方法
3 . 设
为正数,且
. 证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69582b1a383cda899bfae292812f69d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c69ec969e81e98cc5051a1817ac866.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538f858f3a28c8faa69cb9463d619671.png)
您最近一年使用:0次
2024-05-13更新
|
279次组卷
|
2卷引用:陕西省西安市第一中学2023-2024学年高三下学期4月月考理科数学试题
名校
解题方法
4 . 已知
,当
时,不等式
成立.
(1)求
的最大值;
(2)设正数
,
的和恰好等于
的最大值,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18822a123bc80412508a309ef5dd7159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c67ddd60c47e91783929c8bdf8ba8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16195724ab65f5ed0f378a14051ff5bd.png)
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5 . 已知
.
(1)若
,求
的最小值;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a42fff822c5f61fec5fcd5c8e86941e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a1250b1b72fce8f36c8b7149e52271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e54e6610fb16479725602ca79da8c2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d296d5bbd9d25b8816bcc1ae195aa157.png)
您最近一年使用:0次
2024-04-01更新
|
100次组卷
|
2卷引用:老华大联盟2024届高三下学期3月联考文科数学试卷(全国乙卷)
解题方法
6 . 已知正数
满足
,证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56667aabbe787eb1c3189d487d203e22.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d90c1f74a6822bbc41c181b52470f0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebeaecb8587e25f49693acb6c40b094.png)
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2024-03-03更新
|
168次组卷
|
3卷引用:【名校面对面】2022-2023学年高三大联考(4月)文数试题
【名校面对面】2022-2023学年高三大联考(4月)文数试题【名校面对面】2022-2023学年高三大联考(4月)理数试题(已下线)考点7 基本不等式及其应用 --2024届高考数学考点总动员【讲】
2023·全国·模拟预测
7 . 已知x,y,
.
(1)若
,证明:
;
(2)若
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588e4cf838add469512e328d2e60916b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fb952f9a33887a3f80b04e1e5e6134.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd24c686fbaaa68705d654b880481ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeadd667059ca5e53125d3c0cda85bae.png)
您最近一年使用:0次
解题方法
8 . 设
,
,
均为正数,且
.证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de51c58cf8ae8b3f1446f5b6959e6f4a.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472780d66203bcc0b887c0b71941a5f3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd06cc261d1ac490c1a702ad40931ccb.png)
您最近一年使用:0次
2023-09-06更新
|
272次组卷
|
4卷引用:四川省成都市教育科学研究院附属中学2023-2024学年高三下学期4月综合测试数学(理科)试题
四川省成都市教育科学研究院附属中学2023-2024学年高三下学期4月综合测试数学(理科)试题江西省景德镇市2023届高三第三次质量检测理科数学试题江西省景德镇市2023届高三第三次质量检测文科数学试题(已下线)考点7 基本不等式及其应用 --2024届高考数学考点总动员【讲】
名校
解题方法
9 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2ab5c4e0e536807a39ed9a85acf0c3.png)
(1)若不等式
的解集为
,求
的值;
(2)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2ab5c4e0e536807a39ed9a85acf0c3.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e1cda660d1176d8c93210d038cb0fc.png)
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2023-07-16更新
|
1098次组卷
|
4卷引用:广东省珠海市第二中学2023-2024学年高一上学期10月月考数学试题
名校
解题方法
10 . 已知函数
(其中
在
上单调递减,点
,
,
是函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
图象上三点,满足
.
(1)求证:
,
,
三点不共线;
(2)求证:
是钝角三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8acdbf533b367bbd207e267e7e4d22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d9cd8123d0c0a8cf2d8007abb79397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45dddee525114c09ee0d1205aed6e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3b54e0dcdc081d45fb3df933cddc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f73eaf35877e7cb4eff9ce6c81655c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fc87d1c6bec952eb132bf884b15fbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9440f2d7ae0b2039fd68e50aec92d55f.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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