1 . 求解下列问题:
(1)证明:
.
(2)已知
,且
.
求证:
.
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2d4fde8bd60bc06204e611775cfeca.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a362d8aedb9d1f31c107157ffe5427e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf43bd907a0590831d324d5eff38ea54.png)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e730482274601b77dfce72e672b9a934.png)
您最近一年使用:0次
2022-08-15更新
|
323次组卷
|
6卷引用:2023版 苏教版(2019) 必修第一册 名校名师卷 第五单元 指数与对数
2023版 苏教版(2019) 必修第一册 名校名师卷 第五单元 指数与对数(已下线)突破4.3 对数(重难点突破)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)第4章 指数与对数 单元综合检测-2022-2023学年高一数学《基础·重点·难点 》全面题型高分突破(苏教版2019必修第一册)(已下线)专题4.6 对数-重难点题型检测-2022-2023学年高一数学举一反三系列(人教A版2019必修第一册)(已下线)第4章 指数与对数章末题型归纳总结 (1)-【帮课堂】(苏教版2019必修第一册)(已下线)第三章 幂、指数与对数(压轴题专练)-速记·巧练(沪教版2020必修第一册)
10-11高二下·黑龙江牡丹江·期中
解题方法
2 . 证明下列不等式:(1)求证
;
(2)如果
,
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c19d94ff48082c1cd213c82c99abf0.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd70f831f301205134280f6432c8f84d.png)
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名校
3 . 已知等比数列
的各项均为正数,且
.
(1)求数列
的通项公式;
(2)设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff2853ed2252ef24654888b3bea2084.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2597e30850f276a5fe5ae97bee20573a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aacabd66c249e6b0b3562056718f7901.png)
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2024-01-10更新
|
1586次组卷
|
3卷引用:辽宁省沈阳市2023-2024学年高三上学期教学质量监测(一)数学试题
解题方法
4 . 已知函数
.
(1)求
的定义域;
(2)求证:函数
为偶函数;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19242a9ae96a740816c35ed4196aa8bd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1187306f996c8d4fbc196426a0f2c7c7.png)
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2023高一·上海·专题练习
5 . 已知
,
,
均为正数,且
.
(1)若
,求实数
的值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1581cc0ce70271c1b10d00fa0e3f628f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6d55fd1342220aa63c751dd7637a6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5456b692555edb3b304078ea5c8fa2a.png)
您最近一年使用:0次
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d82a8a3968ec0509bf3c338a939fb07.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/fa614b5d-38d8-419e-b9bc-3c58f1ef717a.png?resizew=173)
(1)完成下列表格,并在坐标系中描点画出函数
的简图;
(2)根据(1)的结果,若
(
),试猜想
的值,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d82a8a3968ec0509bf3c338a939fb07.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/fa614b5d-38d8-419e-b9bc-3c58f1ef717a.png?resizew=173)
(1)完成下列表格,并在坐标系中描点画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d82a8a3968ec0509bf3c338a939fb07.png)
(2)根据(1)的结果,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf7c745cd02f4620a175cf00ec85e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ceddc345bfa05b7c0c61ec02470188a.png)
1 | 2 | 4 | |||
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7 . (1)如果
,且
,其中
,求证:
①
;
②
.
(2)如果
,且
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd7bba058b2e191718d59debbe97a73f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8f818e75a356930b49190af2697074.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e8a76ee18eed71db7c7f3161d85685.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c57cd45ebfc350cf2bee138f1f0d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f940e491269e04ab4680ee10714ba88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc0844bf035915f388b2dc2846dc10e.png)
您最近一年使用:0次
8 . 已知函数
.
(1)求
的定义域;
(2)判断并证明
的奇偶性;
(3)讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347c1117851f97c77c6eb30b6e1e0a69.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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9 . 如图,已知函数
的图象与函数
的图象交于
两点.过
,
分别作
轴的垂线,垂足分别为
,
,并且
,
分别交函数
的图象于
,
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/dc67f42f-25b2-4b0e-83a8-2939a6056676.png?resizew=201)
(1)探究线段
与
的大小关系,并证明;
(2)若
平行于
轴,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5a0e5b12b88a5ab25b639c9afab445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808bd2fc4b344e7669fca65b4fa122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6024fd4532f5f981deac4582c799a6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655cc150ddc9deba2254780984d0024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61591499c836d86407c5af542ee4719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/dc67f42f-25b2-4b0e-83a8-2939a6056676.png?resizew=201)
(1)探究线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ee685a6d4799b0ba7e114a3906c0c0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa76cfd79a2ff6b28f370e54f4eb51d.png)
您最近一年使用:0次
解题方法
10 . 已知函数
,其中
且
.
(1)求
的值和函数
的定义域;
(2)判断并证明函数
的奇偶性;
(3)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724303bbd301ccc51c390ad51712510f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4266704cf6a09ed98228ee26d91f402c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
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