向量填空两道1.在直角三角形ABC中,∠A=90°,AB=1,则向量AB乘以向量BC=?2.△ABC中,若向量AB乘以向量BC+|向量AB|^2=0,则△ABC的形状可以判定为.
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 21:01:32
![向量填空两道1.在直角三角形ABC中,∠A=90°,AB=1,则向量AB乘以向量BC=?2.△ABC中,若向量AB乘以向量BC+|向量AB|^2=0,则△ABC的形状可以判定为.](/uploads/image/z/7573143-39-3.jpg?t=%E5%90%91%E9%87%8F%E5%A1%AB%E7%A9%BA%E4%B8%A4%E9%81%931.%E5%9C%A8%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E2%88%A0A%3D90%C2%B0%2CAB%3D1%2C%E5%88%99%E5%90%91%E9%87%8FAB%E4%B9%98%E4%BB%A5%E5%90%91%E9%87%8FBC%3D%3F2.%E2%96%B3ABC%E4%B8%AD%2C%E8%8B%A5%E5%90%91%E9%87%8FAB%E4%B9%98%E4%BB%A5%E5%90%91%E9%87%8FBC%2B%7C%E5%90%91%E9%87%8FAB%7C%5E2%3D0%2C%E5%88%99%E2%96%B3ABC%E7%9A%84%E5%BD%A2%E7%8A%B6%E5%8F%AF%E4%BB%A5%E5%88%A4%E5%AE%9A%E4%B8%BA.)
x){:aW?_Ɏ%/'=-/OzH>ݻɎ::8Zڠdkc&Dӓ3^
99=ERʴk`5qF jZk Kd.="},NS`hx;!↚
Ϻu=lR=]CHHi::iutdi8@u6 stzԵY]hMqAb4lC=5@j89h%CA+)Y+1I?)ꈧKظg{9e]mz d&