名校
解题方法
1 . 若
均为单位向量,下列结论中正确的是_______ (填写你认为所有正确结论的序号)
(1)若
且
,且
,则
的取值范围为
;
(2)若
且
,且
,则
的取值范围为
;
(3)若
且
对任意实数
恒成立,则
的最小值为
;
(4)若
且
对任意实数
恒成立,则
的最小值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2cc1f1ef9ad32eef62aefa4c3fc3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae19a80b97d4dfd1be47844c02980d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3797ac9ea94855ed77cb9be5b4671874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8d6f122739bfe3e5182375b585870a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c73388e5a836011f59e523130b0784.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2cc1f1ef9ad32eef62aefa4c3fc3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae19a80b97d4dfd1be47844c02980d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29119d4f3ee3426a24700ff7b4ba3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8d6f122739bfe3e5182375b585870a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93188fdb80dbd006ff8e940f048896a7.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960fffaf9d3cee05667705c83419380e.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/c279eca88d292dd0573b49efae2e07f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960fffaf9d3cee05667705c83419380e.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
名校
解题方法
2 . 正三棱锥
中,底面边长
,侧棱
,向量
,
满足
,
,则
的最大值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da3fdf44b48a0d66b87441fc699cab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b396937ce186ccb792210cb7b852f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ca854e782895e8f5f08a65dce610c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e6f98f23fea7db0f74897928024ca0.png)
您最近一年使用:0次
2024-04-01更新
|
1140次组卷
|
6卷引用:上海市浦东新区2024届高三下学期期中教学质量检测数学试卷
上海市浦东新区2024届高三下学期期中教学质量检测数学试卷(已下线)压轴小题5 空间向量中的最值问题江苏省姜堰中学2024届高三下学期阶段性测试(2.5模)数学试题(已下线)数学(上海卷01)(已下线)压轴题06向量、复数压轴题16题型汇总-1上海市吴淞中学2023-2024学年高二下学期第二次调研(5月)数学试卷
名校
3 . 正方形
的边长为12,其内有两点
、
,点
到边
、
的距离分别为3,2,点
到边
、
的距离也是3和2.现将正方形卷成一个圆柱,使得
和
重合(如图).则此时
、
两点间的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-04更新
|
863次组卷
|
8卷引用:上海市崇明中学2023-2024学年高二上学期期中考试数学试题
上海市崇明中学2023-2024学年高二上学期期中考试数学试题广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(一)江西省上饶市婺源天佑中学2023-2024学年高二上学期期末模拟数学试题上海市松江二中2023-2024学年高二上学期期末考试数学试题(已下线)专题2 用空间向量解决立体几何问题江西省临川第一中学2023-2024学年高二下学期第一次月考数学试卷(已下线)高二上学期期末考点大通关真题精选100题(1)(已下线)第8题 由空间距离求夹角(压轴小题)
名校
解题方法
4 . 在平行六面体
中,
,
,若
,其中
,
,
,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991451c5002137302527700e195220e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb66690bc5b8123d5eafe781d3c9a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d472051d1f6bce23c22a55c517515e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900dea22ff8af341d08262f4b76c6953.png)
A.若点![]() ![]() ![]() | B.若![]() ![]() |
C.当![]() ![]() ![]() | D.当![]() ![]() ![]() |
您最近一年使用:0次
2023-11-23更新
|
507次组卷
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4卷引用:安徽省滁州市九校2023-2024学年高二上学期期中考试数学试卷
安徽省滁州市九校2023-2024学年高二上学期期中考试数学试卷山东省菏泽市鄄城县第一中学2023-2024学年高二上学期12月月考数学试题(已下线)模块三 专题3 小题满分挑战练(1) 期末终极研习室(高二人教A版)(已下线)高二数学上学期第三次月考模拟卷(空间向量与立体几何+直线与圆的方程+圆锥曲线方程+数列)(原卷版)
名校
解题方法
5 . 已知四棱台
的下底面和上底面分别是边长为4和2的正方形,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/9155d6d8-6505-4f66-a083-82bebd06e5d4.png?resizew=188)
A.侧棱![]() ![]() ![]() ![]() |
B.若E为![]() ![]() ![]() ![]() ![]() |
C.![]() |
D.设![]() ![]() ![]() |
您最近一年使用:0次
2023-11-16更新
|
448次组卷
|
3卷引用:湖北省鄂东南省级示范高中教育教学改革联盟学校2023-2024学年高二上学期期中联考数学试题
名校
解题方法
6 . 正四面体
的棱长为1,点
是该正四面体内切球球面上的动点,当
取得最小值时,点
到
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992907998c85cf872f6e66df0b0c1030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
名校
7 . 已知正四棱柱
的底面边长为
,点
分别满足
.甲、乙、丙、丁四名同学利用《空间向量与立体几何》这一章的知识对其进行研究,各自得出一个结论:
甲:当
时,存在
,使得
;
乙:当
时,存在
,
,使得
;
丙:当
时,满足
的
的关系为
;
丁:当
时,满足
的点
围成区域的面积为
.
其中得出错误结论的同学有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4586c36ecaff9aa606b6148eb28484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8866c9f57fab68f4d3aa0cd809e31cc.png)
甲:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec6fb9e0625b85be3103d317fbb0cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff480d049f3f174b970cedd14aa4d4c.png)
乙:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f199f086ffa007bd2d64db066890ca2b.png)
丙:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4325a91861fa8269194667d6288e7e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc43c738e927f9c0038cc1bf86d019b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec6fb9e0625b85be3103d317fbb0cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbae94f2dd5086f7ddbe18407a978e9b.png)
丁:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc620ca3717dda78975de0a1568587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff480d049f3f174b970cedd14aa4d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
其中得出错误结论的同学有( )
A.甲 | B.乙 | C.丙 | D.丁 |
您最近一年使用:0次
2023-11-15更新
|
368次组卷
|
3卷引用:安徽省“皖中联考”2023-2024学年高二上学期期中质检数学试题
安徽省“皖中联考”2023-2024学年高二上学期期中质检数学试题(已下线)模块五 专题5 期末全真模拟(拔高卷1)期末终极研习室(高二人教A版)山东省济南市山东实验中学2023-2024学年高二上学期期末模拟数学试题
8 . 已知三棱锥
的棱
、
、
两两垂直,
,
,
为
的中点,
在棱
上,且
平面
,则下列说法错误的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bae7599ad243c12d94325ad917f0a44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f81fa367ec317fe2a30142e1c30cce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37793a3a810e823e10c340986f55ddd.png)
A.![]() |
B.![]() ![]() ![]() |
C.三棱锥![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
名校
9 . 已知长方体
的棱
,
,点
满足:
,
、
、
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db558e8db4c957654c8e5cecd2d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ae7072624587654d162548a80d7a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb237049a8ef8a1aa404a92220a3771a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/10/84b71a5c-ebe0-48e1-a07d-13db43bcc5d0.png?resizew=136)
A.当![]() ![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-08-08更新
|
841次组卷
|
5卷引用:江苏省南通市如东县、海安市2022-2023学年高二下学期期中数学试题
江苏省南通市如东县、海安市2022-2023学年高二下学期期中数学试题湖北省荆州市沙市中学2023-2024学年高二上学期9月月考数学试题(已下线)1.1.1 空间向量及其线性运算(分层练习)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第一册)山东省临沂市平邑县平邑县第一中学2023-2024学年高二上学期11月月考数学试题江苏高二专题02立体几何与空间向量(第二部分)
名校
解题方法
10 . 如图,在四棱台
中,
,
,
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4291c69a3eb90f6fe67d574a6c3daf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d7095ddd69d6ceaf1065b1bc2c79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b735c72cfb59b24ec9c4aae288942252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4527d216a37ccfa68feaaea5110536a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/ebf8d8eb-8598-4d87-ad1a-e3add01715da.png?resizew=186)
您最近一年使用:0次
2022-10-14更新
|
547次组卷
|
3卷引用:浙江省杭州市第四中学吴山校区2022-2023学年高二上学期期中数学试题