1 . 已知平面向量
,设函数
(
为常数且满足
),若函数
图象的一条对称轴是直线
.
(1)求
的值;
(2)求函数
在
上的最大值和最小值:
(3)证明:直线
与函数
的图象不相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb7484264801ab0b062cf825c02619f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a56b1f745a78c71ddfbb44837231c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceea6fed130d78179f6edba061360174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9f520533f7a4e500860d8ed1ae9e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60b49815c5c25b48e6c74d7077851a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9f520533f7a4e500860d8ed1ae9e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
(3)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1d412ff61c13ff59052ced69a46e26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9f520533f7a4e500860d8ed1ae9e80.png)
您最近一年使用:0次
2019-12-09更新
|
240次组卷
|
2卷引用:浙江省宁波市慈溪市2019-2020学年高三上学期期中数学试题
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505ffc15f3755c9f069844458380d96.png)
(1)将
化为
的形式,并写出其最小正周期和图象对称轴方程,并判断函数的奇偶性(不需证明);
(2)若三角形三边
满足
所对为B,求B的范围;
(3)在(2)的条件下,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505ffc15f3755c9f069844458380d96.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184f65c41ba3f59ad9b9276e61cb7cd5.png)
(2)若三角形三边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1d0ed0b099f12771f535cdb8c531b1.png)
(3)在(2)的条件下,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2b9f4a56eddb8729daedaa14205852.png)
您最近一年使用:0次
名校
3 . 已知函数
.
(1)指出并证明函数
的奇偶性
(2)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1d868ad575a58dcda57fd78eda6df7.png)
(1)指出并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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真题
名校
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11882a302c0a5e9f47833eb2416d0725.png)
(Ⅰ)求
的最小正周期和最小值;
(Ⅱ)已知
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11882a302c0a5e9f47833eb2416d0725.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbbc96fd62a9c2557c2f683c91eb3ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126cc244e8b5a9cb557789613ba9d725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4e7d4aa8b7a6719c0c1e2898930641.png)
您最近一年使用:0次
2019-01-30更新
|
1912次组卷
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6卷引用:2013-2014学年山西省吕梁学院附中高一下学期期中考试数学试卷
名校
5 . 如图,已知矩形
,
,
,点
为矩形内一点,且
,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/abedc139-0dd3-4138-99bd-6a77170deee8.png?resizew=146)
(1)当
时,求证:
;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09e0ce09a4711bb308fccef46faf4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c9d96d2dc0082bb375c3b0e7214bdf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/abedc139-0dd3-4138-99bd-6a77170deee8.png?resizew=146)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e2c8d466ab8eb5ecd38060b53bbe8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642cec60c6719f5e18a7e1227040e481.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef9d59074422189c31b540dcbdc680b.png)
您最近一年使用:0次
2019-07-11更新
|
1626次组卷
|
8卷引用:辽宁省协作校2019-2020学年高一下学期期中考试数学试题
辽宁省协作校2019-2020学年高一下学期期中考试数学试题广东省佛山市2017-2018学年高一上学期期末教学质量检测数学试题【全国百强校】甘肃省天水市一中2017-2018学年高一下学期第三学段(期末)考试数学试题江苏省无锡市2018-2019学年高二下学期期末质量数学(文)试题(已下线)第06讲 第五章 平面向量、数系的扩充与复数的引入(单元测试)(测)-《2020年高考一轮复习讲练测》(浙江版)吉林省长春市第二实验中学2020-2021学年高一下学期4月月考数学试题(已下线)专题06 平面向量的坐标表示(1)-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)专题06 平面向量的坐标表示(1)-《重难点题型·高分突破》(苏教版2019必修第二册)
名校
解题方法
6 . 已知非常数函数
的定义域为
,如果存在正数
,使得
,都有
恒成立,则称函数
具有性质T.
(Ⅰ)判断下列函数是否具有性质T ?并说明理由;
具有性质T,求
的最小值;
(Ⅲ)设函数
具有性质T,且存在
,使得
,都有
成立,求证:
是周期函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8977423533213500532f442c31e246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅰ)判断下列函数是否具有性质T ?并说明理由;
① ;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfdb277072d8bbc982fa18425d63a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(Ⅲ)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb7ce2a4a81258f34f4da1ae9df4a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
2019-04-25更新
|
1016次组卷
|
4卷引用:【区级联考】北京市海淀区2018-2019学年高一下学期期中考试数学试题
名校
7 . 在平面直角坐标系中,
为坐标原点,
三点满足
.
(1)求证:
三点共线,并求
的值;
(2)已知
,
,
,且函数
的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6983b8b908199ce3ba3e06bd4d8e6c39.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02206aa605dd628853dd52c8574413e1.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9184e470e8208052c81790e99881f2a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd07960ed2dd44c2a28e79c5a0e2843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a90f71a22daa4df7bd75c1e3e66fcb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dc87f62824865956138d25bb28980d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-06-24更新
|
308次组卷
|
5卷引用:河南省南阳市六校2016-2017学年高一下学期第二次联考数学试题
解题方法
8 . 已知函数
是奇函数.
(1)求
的值;
(2)用定义证明:函数
是
上的增函数;
(3)若对一切实数
满足
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ec21267f3c0370ac46210fbb85e138.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
(2)用定义证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339b85cca0100adc23472c143f9a5a89.png)
(3)若对一切实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66019a4de2c8685d76658c4bf3f110b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
您最近一年使用:0次
2018-07-02更新
|
564次组卷
|
2卷引用:【全国百强校】江苏省无锡市普通高中2018年春学期期中教学质量抽测高二数学(文)试题
名校
9 . 在平面直角坐标系中,
为坐标原点,
三点满足
.
(1)求证:
三点共线;
(2)已知
,
的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7453d507d0c0c7c10d5f73dca6dceb5d.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311995bf3e561f255d947b8a75ca0d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f18c358e515979c5eea9a6617ebc151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-04-25更新
|
791次组卷
|
7卷引用:福建省厦门市双十中学2016-2017学年高一下学期期中考试数学试题
名校
解题方法
10 . 定义行列式运算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783b15b916672ddca749ed64109bd01.png)
,若函数
(
,
)的最小正周期是
,将其图象向右平移
个单位后得到的图象关于原点对称.
(1)求函数
的单调增区间;
(2)数列
的前
项和
,且
,求证:数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2803b474b5f8f96c7e6e9e741e20d073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783b15b916672ddca749ed64109bd01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f1955111f224144de4fb2aa8c2eec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1726b4c39cc78d2f03cf51c4216937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b078ff54940a718915c2d1425d2031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6af3e2115ce0aaf5b99ac70c4441d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7109f604b724dfab348530752a0891ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7df78e3319e7592af36eacedf746b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf893b061515c5b9e7979e12b2af5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02e80983b88cdf6b540502816c87d13.png)
您最近一年使用:0次
2017-11-27更新
|
792次组卷
|
2卷引用:四川省成都市郫都区2019-2020学年高一下学期期中考试数学(理)试题