解题方法
1 . 已知O是
所在平面内一点,且
,
,
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42083f00cd68320e4e0275400c139551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8533b7d67a3d95340a8462819680367f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98db0299f88f80030e8b01debb45d8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
A. ![]() | B. ![]() | C.![]() | D.![]() |
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解题方法
2 . 已知单位向量
的夹角为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc58a1f3535aefc139ced26211d66b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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7日内更新
|
268次组卷
|
2卷引用:内蒙古名校联盟2024届高三下学期联合质量检测文科数学试题
3 . 已知复数
,其中
,
是虚数单位.
(1)若
,求
与
的值.
(2)设复数
在复平面上对应向量分别为
,若
且
,求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1420b03848698758025889719615a4d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cefc726333eac41456b3a2e0f61a9e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b196d2aa5d75732abd06e07ec69e65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5cdedb6f4384fda29fb4508ba6fcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbf8cf890e1bab18f37152ef5da7dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a49389cacef6b5b8c536eb8c51d087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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4 . 设
,
是两个非零向量,则下列描述正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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5 . 在菱形
中,
,则向量
与
的夹角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c7d401d349344ed17cb0f9644b9b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c085dbb9d78aef7d81c3f4d6855f067b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7日内更新
|
286次组卷
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4卷引用:内蒙古自治区锡林郭勒盟2024届高三下学期5月模拟考试理科数学试题
内蒙古自治区锡林郭勒盟2024届高三下学期5月模拟考试理科数学试题河南省部分重点高中2023-2024学年高三下学期5月联考数学试卷 (新高考)(已下线)辽宁省沈阳市第二中学2024届高三下学期三模数学试题2024届青海省海南藏族自治州高考二模数学(理科)试卷
名校
解题方法
6 . 已知向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3effb8e124f2aff06abd49e2cdcf426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7901fc86cb98cdb030d6ee72816dc14a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
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2024-06-14更新
|
299次组卷
|
3卷引用:内蒙古自治区兴安盟2023-2024学年高二下学期学业水平质量检测数学试题
名校
解题方法
7 . 与向量
平行的所有单位向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b3515de9a26c0397039e077f272b1b.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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8 . 按要求作答:
(1)已知向量
,若
,求
的取值范围.
(2)已知向量
,满足
,
,且
,求
的值
(1)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5329b58742b940618cd417037ed841e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a78eb6067c8ecdd04dbfb85147a55ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d285e611381e448100f126c4d7a9b78.png)
(2)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028866c2a8d288c11b731c22fa290d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95266998c21cc0d8a84c35c7e21f6d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0150d9c357f2f8f8deecacd3ef0545cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64500b5daebc8b266a349ecaeb765b99.png)
您最近一年使用:0次
解题方法
9 . 已知向量
,若
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9e0f02549cfed7d17e9e40c1ee08a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
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解题方法
10 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd13debe7b285b22bfed2ce69115134b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a4e9626b27d276bd2f1892354421b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
您最近一年使用:0次