充值 服务号
首页>高中数学综合库>空间向量与立体几何>空间向量与立体几何>空间向量的应用>空间位置关系的向量证明
题型:单选题 难度:0.94 引用次数:35 更新时间:2020/3/26 11:11:41 题号:9571349
已知四边形eqId5ce7a06ae7a34393b92b5277978ac014为矩形,eqIde78cce043a6c43329b55788351ff3484平面eqId5ce7a06ae7a34393b92b5277978ac014,连接eqIdcf2da96900c948a1b3ce7cbfd420c080eqId1b51efe7c2fa42748ac5a6be262e2fa4eqIde9b50933e347462ea824ccc9bf51fc93eqIda4133d812272499891a1f8813d5747f8eqIdd293923b221045898dcc5442f88aa67a,则下列各组向量中,数量积不为零的是(     )
A.eqId3f3a6f6f8c644ef9adffeb16ef350513eqId694be1b220f546a5abf828ac9937ce5dB.eqId39e1708f441549cc8284fb937bd4187aeqId3c84f958a76c488ca1b86ebcf394e232C.eqIde4dea0e15be942e885ca6a3b19e889fbeqId3719fcad464c419291c2d254d26e10f2D.eqId9c743066eeae432ba57e4ba776b42ecaeqId562958597771473895309c568c43467a

类题推荐

【推荐1】平面eqIdc13953f2514e4c8f9c8aaaf5241c33ac的法向量eqId8130d29ddd66460a96f30c7d7bbda8f6,平面eqId4eb56f42ca674f2f9c9101b548763159的法向量eqIdc5a94d73f92f40789522364429250fa2,则下列命题正确的是(   )
A.eqIdc13953f2514e4c8f9c8aaaf5241c33aceqId4eb56f42ca674f2f9c9101b548763159平行B.eqIdc13953f2514e4c8f9c8aaaf5241c33aceqId4eb56f42ca674f2f9c9101b548763159垂直C.eqIdc13953f2514e4c8f9c8aaaf5241c33aceqId4eb56f42ca674f2f9c9101b548763159重合D.eqIdc13953f2514e4c8f9c8aaaf5241c33aceqId4eb56f42ca674f2f9c9101b548763159不垂直
更新:2020/03/28难度:0.94题型:单选题组卷:24
【推荐2】若直线eqId417e80f1349244878d01fe90e0891f5f的方向向量eqIdcbdbd52120b04c4b9657a40a2406d4a6,平面eqId4eb56f42ca674f2f9c9101b548763159的法向量eqIdd34dc3a2421b465ca03938630499fcde,则(    )
A.eqIdf2cad9453da64ff68ef40c564eeb33f1B.eqId90bd6ae366d9468683cd6a3610a16646C.eqId97b940c602484c649e9ad24e27f68c77D.eqId417e80f1349244878d01fe90e0891f5feqId4eb56f42ca674f2f9c9101b548763159相交但不垂直
更新:2020/04/09难度:0.94题型:单选题组卷:53
【推荐3】eqId74c7e0292b094e54ae596d37798a05ed的方向向量为eqId1cd9ea60998a4f9c9c5543ef5af88813eqId439fb93f7745417b8bb1747d963c6e60的方向向量eqId098015eef33c4c47bfe223627af02aad,若eqIdf02f6dfb6bda4f6fbc66f1f1fb5cef06,则eqId5f420ef2d0b94c4b8a5d8e20a5d1ce2c等于(  )
A.eqId37705e1ef6a84bbdbe88433e75932cdfB.eqIdc052ddfbd4524f67a79e0e77c2e5656aC.eqId8898c1dc81824f3098bbeae74e8f11fdD.eqIdddd35c5d043e4ebeac32a99367053c68
更新:2019/12/23难度:0.94题型:单选题组卷:33