名校
1 . 已知向量
.
(1)设
,求
在
上的减区间;
(2)若
,向量
与
共线,且x为第二象限角,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a4b1b6c821466c7d5b7dffb4763c3f.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02669c4b39f9a4e148f4abbe2ce9b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e64d854922db44d182841981562f5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737d61df8bcff0b4e75d7084e75f23ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058d8811c63e7a402a329b9b3c9e39c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f6b141026558558fe73e16f904969e.png)
您最近一年使用:0次
2020-03-29更新
|
228次组卷
|
2卷引用:浙江省温州市乐清中学2021-2022学年高一(15-18班)上学期12月月考数学试题
2 . 已知
,
是平面内两个互相垂直的单位向量,若向量
满足
,则
最小值为__________ .
![](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/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5715be043156b4f7afe8af5b03d75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1d9899caafceed0b0692f72f8d642a.png)
您最近一年使用:0次
解题方法
3 . 已知
是单位向量,向量
满足
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b077513451507ed96d107833731920d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ee5fb29648e3d2fe5850b4790163c5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知向量
,
,且
.则
与
的夹角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148fd623657c8f6e5983bbb139b4939b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082c6926889f84f438ea35f70bf05f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c73dcfe1b9e26ec743d0a6caeed65f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知
,
,且
.若
满足
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38422db79bd5c61fd0b4aaa6b7e67d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd6c680d1537f01f6fa500bef86b540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7e3c674336a90a38408bae2ec4c28f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eccf2546ecbf8c7823d51907150a0fbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d874c845aa882718106e538cbf8f05.png)
您最近一年使用:0次
6 . 已知平面向量
满足
,且
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3019d9fc9d23defa438b7ca2821db5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62195e2e6986673e2dc2bc6eb9f782b1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知平面向量
,
,且
.
(Ⅰ)若
,平面向量
满足
,求
的最大值;
(Ⅱ)若平面向量
满足
,
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414c4b7cbf90e2447c829e2feb24d8e5.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadcadea61ce308dc202f5446cc55825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0daabd29d007f07a3796b3ee0580f073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b096913bf9caace64f8d548e38a3cd21.png)
(Ⅱ)若平面向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c463265d70623997a8b6a83af2e2d948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49d04627eb37ad3244952b83d9c1761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7739d8eb7bfc67db74307b0cb88eef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ab8b87a9b4e8710fb53d1c8a42f52c.png)
您最近一年使用:0次
名校
解题方法
8 . 已知向量
,
,若
,
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c40f5dff25a8d6b4bc427ccc1b76502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a182f70d200afe9e2e7733648a42e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b073080ad166081677d7a76781d760.png)
A.![]() | B.![]() | C.4 | D.5 |
您最近一年使用:0次
2020-02-24更新
|
1115次组卷
|
4卷引用:浙江省丽水市2017-2018学年高一下学期期末数学试题
浙江省丽水市2017-2018学年高一下学期期末数学试题天津市第一中学2021-2022学年高三上学期第一次月考数学试题(已下线)专题5-2 向量线性运算及四心综合归类 - 3(已下线)广东实验中学2024届高三上学期第一次阶段考试数学试题变式题6-10
9 . 已知非零的平面向量
满足
,又平面向量
满足
,若
,则
的取值范围是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fa2fcefaf3d8868da0cb52877c5247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026015d4806054775ce5b31d8cf0f661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c308ea87b699ee1dcb879a568899de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a67a575b16c890331899a13cc06f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02d97a21fc97a952615ba5a802cae73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bae51bb46847e0653b83ab564ac4533.png)
您最近一年使用:0次