名校
1 . 若向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a035c8861e9fa9369d20d6b531d88dc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff62fa204244ba460b3039ec6145c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21450e381c552dae0578a08e4c45662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a035c8861e9fa9369d20d6b531d88dc.png)
您最近一年使用:0次
2023-11-14更新
|
207次组卷
|
3卷引用:广东省广州南方学院番禺附属中学2023-2024学年高二上学期期中数学试题
2 . 已知点
,
,O为坐标原点,向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2e5010f5b983c9c0b30bb4ebdc9fff.png)
(1)求向量
的单位向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc82ca663a64bb807b74e1eaa59e842.png)
(2)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42af2f16b30003e2cd42b42d21732c4.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97130ba1c0ba45f6d15e66aa1646ee2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b37762afb7ef73aea60210818911287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2e5010f5b983c9c0b30bb4ebdc9fff.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc82ca663a64bb807b74e1eaa59e842.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42af2f16b30003e2cd42b42d21732c4.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e0f64271754d751c2de87abbdfd803.png)
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名校
3 . 已知空间中三个向量
,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99dd835ec95070a01a6a263afa6d6b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce07fab1fc711a0802656035105acd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab242cd66cbd81ab37f85705f20181cd.png)
A.![]() ![]() |
B.与![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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2023-11-11更新
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402次组卷
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2卷引用:湖南省湖湘教育三新探索协作体2023-2024学年高二上学期11月期中联考数学试题
名校
4 . 如图,在三棱锥
中,
平面
,
,且
,则
在
方向上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1437daa8bab73bc65cd0226b1a7ef354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4781e3daa2c4e018ca0ae09bb56abc0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/10/b603b56c-6e80-4afc-b7e7-cc5467a0a92c.png?resizew=161)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-11-10更新
|
1007次组卷
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11卷引用:河北省部分高中2023-2024学年高二上学期期中数学试题
河北省部分高中2023-2024学年高二上学期期中数学试题湖南省常德市部分学校2023-2024学年高二上学期11月联考数学试题湖北省荆州中学2023-2024学年高二上学期期中数学试题广西贵港市部分学校2023-2024学年高二上学期期中联考数学试题河北省沧州市沧县中学等校2023-2024学年高二上学期期中联考数学试题河北省石家庄市第十八中学2023-2024学年高二上学期期中数学试题湖南省湘潭市湘潭县第四中学2023-2024学年高二上学期期中数学试题(已下线)专题12 空间向量的坐标表示8种常见考法归类-【寒假自学课】2024年高二数学寒假提升学与练(苏教版2019)山东省青岛第五十八中学2023-2024学年高二上学期9月月考检测数学试题(已下线)专题01 空间向量与立体几何(3)重庆市江北区第十八中学2023-2024学年高三上学期11月检测(一)数学试题
名校
5 . (多选)已知空间中三个点A(0,0,0),B(2,1,0),C(﹣1,2,1),则下列说法正确的是( )
A.![]() ![]() |
B.与![]() ![]() |
C.![]() ![]() ![]() |
D.平面ABC的一个法向量是![]() |
您最近一年使用:0次
解题方法
6 . 在长方体
中,
,
是
的中点.以
为原点,
、
、
所在直线分别为
轴、
轴、
轴,建立如图所示的空间直角坐标系.
(1)写出
在平面
上的投影向量的坐标;
(2)求点
到平面
的距离;
(3)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d0432a2fc0e82790bbb560b17888e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/23afbc7b-32c7-4939-8ab1-b8cea15b76e0.png?resizew=166)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9aad43adb48b03fab99a9670b7eda7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0758f3ff9f1f7109024c1ef65536c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7850e88507969a07a9515347b97c7b6e.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a7bcc1efb8a2ff57d64b6d057da463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7850e88507969a07a9515347b97c7b6e.png)
您最近一年使用:0次
2023-11-09更新
|
159次组卷
|
2卷引用:北京市大兴区2023-2024学年高二上学期期中检测数学试题
名校
解题方法
7 . 已知单位 空间向量
,
,
满足
,
.若空间向量
满足
,且对于任意实数
,
的最小值是2,则
在
,
所构成的平面内的投影向量的长度是_________ ;
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ccfda9afde4441cfd1d4df5fe9622d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be4754cb0c8887d64a8c5a1660a962a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b78368814a178aa08fa204b0d8635d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98a655573947fe329096b21bc163097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3697a03e7426158efa72de7b7419523c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ccfda9afde4441cfd1d4df5fe9622d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafafdc15aa4c9cf095d0258f04f4110.png)
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8 . 若
,
,
三点共线,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db560bd1f2ccd827c8f483951fd56bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695585f9dd50643b1077e347d293f5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e05637a7a65c5e4528e8aa44f3c976e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
A.4 | B.-2 | C.1 | D.3 |
您最近一年使用:0次
9 . 如图,在四棱锥
中,
平面
,底面
为矩形,
,
分别为
,
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/b80b5797-894b-41bd-8200-8eb2cd89c2b4.png?resizew=172)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
2023-11-01更新
|
219次组卷
|
6卷引用:贵州省遵义市2023-2024学年高二上学期10月月考数学试题
10 . 如图,在长方体
中,
,以直线
分别为
轴,
轴,
轴,建立空间直角坐标系
,则下列结论中不正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/50c40ee2-1a33-4cea-85ff-0cc1965f51ef.png?resizew=182)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9263c37dc493329bbea2720ea6fb3d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1dd635cae84319a62ed68af58901b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd407cdb6c758cdbe7e7216544f85b82.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/50c40ee2-1a33-4cea-85ff-0cc1965f51ef.png?resizew=182)
A.点![]() ![]() ![]() | B.点![]() ![]() ![]() |
C.点![]() ![]() | D.点![]() ![]() ![]() |
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