名校
1 . 已知
中,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0feae1228d8a659d5b28676f8ac8d25b.png)
的最小值为
,若P为边AB上任意一点,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00dc923e1b4f6a795bfd70cd698dfdd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf13d86d78123424a56ef6ccb839bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0feae1228d8a659d5b28676f8ac8d25b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8961aea10a87f52c493adf1fce4a470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea2ee6084ccda017840830036dddc23.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-04-10更新
|
2179次组卷
|
5卷引用:辽宁省沈阳市第二十中学2022-2023学年高一下学期期初考试数学试题
解题方法
2 . 若单位向量
满足
,向量
满足
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2dff77b482a9f7ceb893bfef29539a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd91eb66f58980cb69a9bf755462000a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9843f19ca2338f7f126ca8c5eb447b55.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-14更新
|
2866次组卷
|
4卷引用:浙江省宁波市慈溪市2022-2023学年高三上学期期末数学试题
浙江省宁波市慈溪市2022-2023学年高三上学期期末数学试题(已下线)专题03 平面向量的综合应用(1)-期中期末考点大串讲安徽省卓越县中联盟2024届高三上学期第三次质量检测数学试题(已下线)平面向量的应用
名校
解题方法
3 . 已知平面向量
、
、
满足
,且
对任意实数
恒成立,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7141ab1218fe2a746e305571209bcd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8891c4e0d2d98d3070164b4a48f5d692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2aafdbb391ae0050cef40c8d590cabe.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-17更新
|
3061次组卷
|
5卷引用:上海市奉贤区奉贤中学2023届高三上学期期中数学试题
4 . 在平面直角坐标系
中,圆
,若曲线
上存在四个点
,过动点
作圆
的两条切线,
,
为切点,满足
,则
的取值范围是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1d4e595a7494961de8273fb64730c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905fafa9e2152430fa6ece7825abaa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c709117ab1d3ef620883a732aed68b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/dbbb69a8061bb8f6d40908b60f65f596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 在
中,
,点
在
所在平面内,对任意
,都有
恒成立,且
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/883fc5e3faf39829d60804b59deb1730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c911c679bcbb55fea167c23eaff0e9df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747733ca7b4a6eb56d6638961dbbd219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045fab982486b0dbb57969a7546759f7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-04-29更新
|
2308次组卷
|
5卷引用:北京市人大附中2021-2022学年高一下学期期中考试数学试题
北京市人大附中2021-2022学年高一下学期期中考试数学试题(已下线)专题02 平面向量范围与最值问题-2021-2022学年高一数学下学期期末必考题型归纳及过关测试(人教A版2019)北京市第八中学2023届高三上学期12月测试数学试题浙江省宁波市余姚中学2022-2023学年高一下学期3月质量检测数学试题广东省梅州市梅县东山中学2023-2024学年高一下学期期中考试数学试题
名校
6 . 已知向量
与
的夹角为
,且
,向量
满足
,且
,记向量
在向量
与
方向上的投影分别为x、y.现有两个结论:①若
,则
;②
的最大值为
.则正确的判断是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4864dd1002c57c47e9a9816fbc0cf968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4387cab8fca192b3658e8f9c22518973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9e602f8855225688f3c5f4c6a10d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1c3ea872a20fdc1843cb5ffce8a554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e03796828c5e326e8dc0b43fc9f465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8887f77124cbe18a4931826ede9c9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
A.①成立,②成立 | B.①成立,②不成立 |
C.①不成立,②成立 | D.①不成立,②不成立 |
您最近一年使用:0次
2021-12-24更新
|
3816次组卷
|
8卷引用:上海市金山区2022届高三上学期一模数学试题
上海市金山区2022届高三上学期一模数学试题(已下线)第六章 平面向量及其应用(选拔卷)-【单元测试】2021-2022学年高一数学尖子生选拔卷(人教A版2019必修第二册)(已下线)专题13 平面向量(模拟练)-2江西省丰城中学2023届高三上学期第四次段考数学(理)试题辽宁省大连市2023届高三下学期适应性测试数学试题(已下线)第六章 平面向量及其应用(基础、典型、易错、压轴)分类专项训练(3)(已下线)第11章 解三角形 单元综合检测(难点)--《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)压轴题06向量、复数压轴题16题型汇总-1
解题方法
7 . 已知
外接圆的圆心为O,半径为1.设点O到边
,
,
的距离分别为
,
,
.若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d0252c1b2f7d2a84b5c985d19d547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34952ec248799040f410b065d7f73ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1849c86fa2ca57febd13eae005d4098.png)
A.![]() | B.1 | C.![]() | D.3 |
您最近一年使用:0次
2021-08-02更新
|
2722次组卷
|
4卷引用:江苏省泰州市2020-2021学年高一下学期期末数学试题
江苏省泰州市2020-2021学年高一下学期期末数学试题(已下线)第6章 平面向量及其应用(压轴30题专练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)浙江省杭州市S9联盟2022-2023学年高二上学期11月期中联考数学试题(已下线)第六章 平面向量及其应用(基础、典型、易错、压轴)分类专项训练(3)
8 . 设
,
,且
,若向量
满足
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8fab40beb8c2c97011d72b6855e548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635f2a7f082df816f3b3d6988b82b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ab55ce496dc3dfdf3f0c459ccf49cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a87c03982d3af82c243fe0cca504f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647b26ac0f9258054a9dbfa338cfd5b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92553e089ea847577b03ded2235e1170.png)
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次
名校
解题方法
9 . 已知
的外接圆圆心为
,
,若
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee192964d53beb6dcae4192d60e268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841627749d958bc4696b1d311c2a70ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知平面向量
,
,
满足
,
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f9df42552e714a5212708a04e160f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4000b5bcf1f4917bd1e862540671212b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e273de83d7f518df456d6f6f568ad4e4.png)
A.![]() | B.2 | C.![]() | D.4 |
您最近一年使用:0次