1 . 在长方体
中,E是棱
的中点,O是面对角线
与
的交点.试判断向量
与
、
是否共面.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcbc64f274781f935449e79c5376c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be64d59ac6538a0f4d79fb825e082081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd98a891fa65f2fc6688001b03185d0.png)
您最近一年使用:0次
解题方法
2 . 在棱长为1的正方体
中,E为
的中点,P、Q是正方体表面上相异两点.若P、Q均在平面
上,满足
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/99c9b07e-6aa8-45f0-a4f0-4b696262814c.png?resizew=154)
(1)判断PQ与BD的位置关系;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c767875a64fea20109b86411e00237a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2920626a0513c469e1f08ea59f6b37.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/99c9b07e-6aa8-45f0-a4f0-4b696262814c.png?resizew=154)
(1)判断PQ与BD的位置关系;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70a36c81024b207988f8540498c5c7c.png)
您最近一年使用:0次
2022-05-05更新
|
192次组卷
|
3卷引用:第07讲 空间向量的应用 (1)
3 . 已知空间中三点
、
、
,设
,
.
(1)若
,且
,求向量
;
(2)已知向量
与
互相垂直,求实数k的值;
(3)求以
,
为一组邻边的平行四边形的面积S.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d397599c45f83d8fb0bfbfb7d95d46a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae476e5e8d7c41104805959efa92902b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c902e5764abb184efcb6b32c4274a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51bd9a25aa1b6e6118cba3b84789be26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c455c14a81d01af0ee43c89ab002efc4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/723cdb2f959fe747dc5145c761fb9725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58ecbb75d37310d9e6a4bac152ad43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
(2)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40436543cc51f42b5b5d93e55a407ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(3)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
您最近一年使用:0次
4 . 在空间直角坐标系
中,已知四点
、
、
,点M是直线OC上的动点,当
取得最小值时,求点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a746c2759c06fd94b167fe63a22e64e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37906cac34ab721e14debf49606ec14c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef6b3d868e93b80ca59dee593f2a22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6356488b921e900ad8f0448d20e918e6.png)
您最近一年使用:0次
5 . 在长方体
中,
是
的中点.
(1)设
,
,
,用向量
、
、
表示
;
(2)设
,
,
,用向量
、
、
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac265febbf99dccf51aa0a2253e61f1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44a918c7cfd942d3a53e584c26685a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f4aa55c2b5bd71b449222baf6effad.png)
![](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/d8620a24dfbb09382c5bd11d2833a128.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2bfec30e9b78126263aae79b3f1f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01787b02d0001ad4ec5ec13abdaf4531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf154a803d5c29cf012d532934083cb2.png)
![](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/d8620a24dfbb09382c5bd11d2833a128.png)
您最近一年使用:0次
6 . 如图,在空间四边形
中,已知
是线段
的中点,
在
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/c98f7270-04f5-4a95-9287-46317e1daf23.png?resizew=193)
(1)试用
,
,
表示向量
;
(2)若
,
,
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75fc32d55aca2289a49a67804b338c9e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/c98f7270-04f5-4a95-9287-46317e1daf23.png?resizew=193)
(1)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c66dfa32251920240f8da967ebc5de9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ba1df94176a1f769c7a0a12bf357fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd3fd00798e7ec50afafe7fa7a4f42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e44a1cc4d47b13f6c3b69544c7d026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7c81e74845e9ca91327d4fffdf585d.png)
您最近一年使用:0次
2022-04-30更新
|
1038次组卷
|
9卷引用:第05讲 空间向量基本定理-2022年暑假高一升高二数学衔接知识自学讲义(人教A版2019)
(已下线)第05讲 空间向量基本定理-2022年暑假高一升高二数学衔接知识自学讲义(人教A版2019)江苏省徐州市王杰中学2021-2022学年高二下学期3月阶段性测试数学试题(已下线)第07讲 空间向量基本定理 - -【暑假自学课】2022年新高二数学暑假精品课(人教版2019必修第二册+选择性必修第一册)湖北省襄阳市襄州区第一高级中学2022-2023学年高二上学期9月月考数学试题广东省珠海市斗门区第一中学2022-2023学年高二上学期10月月考数学试题安徽省滁州市定远县民族中学2022-2023学年高二上学期11月期中数学试题(已下线)6.2.1 空间向量基本定理(练习)-2022-2023学年高二数学同步精品课堂(苏教版2019选择性必修第二册)(已下线)第02讲 空间向量基本定理 -【同步题型讲义】2022-2023学年高二数学同步教学题型讲义(人教A版2019选择性必修第一册)河南省新乡市获嘉县第一中学2023-2024学年高二上学期第一次月考数学试题
名校
7 . 已知空间中三点
,
,
.
(1)若
,
,
三点共线,求
的值;
(2)若
,
的夹角是钝角,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a983a2fcde124f0bd5ff0d2822066df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d361b579e9c2f7ad72a2385e13a95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a113cb6f6bcf58bc54688dbac0f5f8a0.png)
(1)若
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fe2d802f2b37e7db198c5a3c1df9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1da92a2fc2ce861e82f7192fe4e648f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
您最近一年使用:0次
2022-04-28更新
|
1173次组卷
|
10卷引用:第06讲 空间向量及其运算的坐标表示 (1)
(已下线)第06讲 空间向量及其运算的坐标表示 (1)(已下线)第06讲 空间向量及其运算的坐标表示 (2)福建省龙岩市非一级达标校2021-2022学年高二下学期期中联考数学试题(已下线)第08讲 空间向量及其运算的坐标表示 -【暑假自学课】2022年新高二数学暑假精品课(人教版2019必修第二册+选择性必修第一册)广东省华南师范大学附属中学2022-2023学年高二上学期阶段(一)数学试题(已下线)第3讲 空间向量及其运算的坐标表示 (2)(已下线)第3讲 空间向量及其运算的坐标表示 (1)广东省东莞实验中学2022-2023学年高二上学期第二次月考数学试题(已下线)第03讲 空间向量及其运算的坐标表示(7大考点)-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)新疆石河子第一中学2023-2024学年高二上学期9月月考数学试题
8 . 如图所示,已知
是平行六面体.
![](https://img.xkw.com/dksih/QBM/2022/4/22/2963681887166464/2964946106138624/STEM/947a9f3f-d732-4937-a4f9-26b70ad0bff3.png?resizew=180)
(1)化简
;
(2)设
是底面
的中心,
是侧面
对角线
上的
分点,设
,试求
,
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/2022/4/22/2963681887166464/2964946106138624/STEM/947a9f3f-d732-4937-a4f9-26b70ad0bff3.png?resizew=180)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e196f8ea17c72677121e158eaf9da49.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3e852110d26717b4d25c1a2e3065fa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
您最近一年使用:0次
9 . 如图,在平行六面体
中,
,
,
两两夹角为60°,长度分别为2,3,1,点
在线段
上,且
,记
,
,
.试用
,
,
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb6522e6f94259d59fd68b3607d0e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bad658e33513bf106d1d6bda984d07f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a08e6d6d7916a4ea41d70f3f888aefc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38d22bec0fcb2edf7c7c611c966ff6f.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/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d400e32e26729d8ee767e4338624f4fc.png)
![](https://img.xkw.com/dksih/QBM/2022/4/22/2963681887166464/2964946106105856/STEM/f6c963c0-dc3e-406d-bd64-4120b2188364.png?resizew=206)
您最近一年使用:0次
10 . 如图所示,在以长方体
的八个顶点的两点为始点和终点的向量中.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/15/0c095ba6-a3a3-45d3-8714-b6c9c21be0d9.png?resizew=201)
(1)试写出与
相等的所有向量;
(2)试写出
的相反向量.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/15/0c095ba6-a3a3-45d3-8714-b6c9c21be0d9.png?resizew=201)
(1)试写出与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
(2)试写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7559d65befe0b85c8929f57c9436cd26.png)
您最近一年使用:0次