名校
解题方法
1 . 如果函数
的定义域为
,对于定义域内的任意x,存在实数a使得
成立,则称此函数具有“
性质”.
(1)判断函数
是否具有“
性质”,若具有“
性质”求出所有a的值;若不具有“
性质”,请说明理由.
(2)已知
具有“
性质”,且当
时
,求
在
上的最大值.
(3)设函数
具有“
性质”,且当
时,
.若
与
交点个数为2023个,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80a01118f21516915cb177acc3d1220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e691589e9aafddefcbb613c7030f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f572a9d4d946843a178e90fa5e5800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86c2570913b742194ae5cbb698d37d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06ba630c1ea702753cb6bbc8099aafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dcff07bb0d9e583a534c663ba2477f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
您最近一年使用:0次
2 . 复平面是人类漫漫数学历史中的一副佳作,他以虚无缥缈的数字展示了人类数学最纯粹的浪漫.欧拉公式可以说是这座数学王座上最璀璨的明珠,相关的内容是,欧拉公式:
,其中
表示虚数单位,
是自然对数的底数.数学家泰勒对此也提出了相关公式:
其中的感叹号!表示阶乘
,试回答下列问题:
(1)试证明欧拉公式.
(2)利用欧拉公式,求出以下方程的所有复数解.
①
;②
;
(3)求出角度
的
倍角公式(用
表示,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5aa584db159b0f9bfae801d0134393b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574f94ac7dfd3477b58799e0251bb6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a260aee25664815506d2720174b03829.png)
(1)试证明欧拉公式.
(2)利用欧拉公式,求出以下方程的所有复数解.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bde2a8df1f0418c41a6e077c7f5de21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1150e58bbcb15a349fb5b9b5ef708d41.png)
(3)求出角度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f9d7bbcbeb05fbbb06463120f9a6811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cd112c1cb203187e3c9554617c45b8.png)
您最近一年使用:0次
名校
解题方法
3 . 如图,正方形ABCD的边长为1,P,Q分别为边BC,CD上的点,且
;
(2)求
面积的最小值;
(3)某同学在探求过程中发现PQ的长也有最小值,结合(2)他猜想“
中PQ边上的高为定值”,他的猜想对吗?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e50966267b44a653055ab15c490536.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
(3)某同学在探求过程中发现PQ的长也有最小值,结合(2)他猜想“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
您最近一年使用:0次
2024-04-20更新
|
528次组卷
|
2卷引用:安徽省县中联盟2023-2024学年高一下学期3月联考数学试卷
名校
4 . 在
中,
.
(1)求
的大小;
(2)若
,求证:
为直角三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e963905c55e7bea7af874fb68ccf19.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8607bde1fa6cde631a46e921d959a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-03-26更新
|
713次组卷
|
4卷引用:北京市第一六六中学2023-2024学年高一下学期3月月考数学试题
北京市第一六六中学2023-2024学年高一下学期3月月考数学试题(已下线)模块五 专题三 全真能力模拟1(高一期中模拟)(已下线)模块五 专题3 全真能力模拟3(北师版高一期中)四川省内江市第二中学2023-2024学年高一下学期期中数学试题
名校
解题方法
5 . 在
中,角
,
,
所对的边长分别为
,
,
,且满足
.
;
(2)如图,点
在线段
的延长线上,且
,
,当点
运动时,探究
是否为定值?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/4ac82eecedf0e4403df9edb857749bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8e5ce6c55a720a332a08c07f1a89a1.png)
(2)如图,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197a06a80a8f7eb8c964e77cdbce5747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b9c08538c52eaf23c4daa696c9df6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c517a650a3069891e6f5d63cc1f7dd4.png)
您最近一年使用:0次
2024-02-06更新
|
1138次组卷
|
3卷引用:湖南省长沙市2024届高三上学期新高考适应性考试数学试卷
6 . 已知函数
在定义域内存在实数
和非零实数
,使得
成立,则称函数
为
“伴和函数”.
(1)判断是否存在实数
,使得函数
为
“伴和函数”?若存在,请求出
的范围;若不存在,请说明理由;
(2)证明:函数
在
上为“
伴和函数”;
(3)若函数
在
上为“
伴和函数”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d997370660bb52bc868bd4b281a77bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)判断是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986f68a516fe7cc336a4a19c29a59d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d92505f3a1168e8e11eeab4be680f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.且当
时,
的最大值为
.
(1)求实数
的值;
(2)设函数
,若对任意的
,总存在
,使得
.求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56772c787cd54aab97bdde732584f738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a68eadbcb9953c6d7fc17ef2763ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300e5d490a03517718c724f9a49d3a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e6049c6361242d9b77e6cbe2750a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61761abb364ece2281af24d9b1f008de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2024-01-08更新
|
836次组卷
|
2卷引用:重庆市第二十九中学校2023-2024学年高一上学期1月月考数学试题
名校
8 . 已知函数
,且当
时,
的最大值为
.
(1)求a的值;
(2)设函数
,若对任意的
,总存在
,使得
,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f10178be62da68c28ed4f192add5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
(1)求a的值;
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3ab5b9f219b5b28eb9c9ec722bddf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28950ab83fa7d677e639b6680cb016ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76ea5bf5e63abfed2e246bd4bfde94e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
您最近一年使用:0次
2023-02-10更新
|
805次组卷
|
5卷引用:山东省烟台市2022-2023学年高一上学期期末数学试题
9 . 在△ABC中,D为BC上一点,
.
;
(2)若
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd95dc30c0344788b94289c464a3158e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04c14a7ef10d996ff1e63f362b8be72.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e29b822cda1ba926e96368094fa1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99d4eea2b5e11dfe32542187de16af12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44ce799d9835933017b9cac05ed6077.png)
您最近一年使用:0次