已知向量a=(3,2) 向量b=(-1,2) 向量c=(4,1) 1)求丨3a+b-2c丨 2)当a+k*向量c平行2b-a求实数K的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 14:44:32
![已知向量a=(3,2) 向量b=(-1,2) 向量c=(4,1) 1)求丨3a+b-2c丨 2)当a+k*向量c平行2b-a求实数K的值](/uploads/image/z/2476769-41-9.jpg?t=%E5%B7%B2%E7%9F%A5%E5%90%91%E9%87%8Fa%3D%283%2C2%29+%E5%90%91%E9%87%8Fb%3D%28-1%2C2%29+%E5%90%91%E9%87%8Fc%3D%284%2C1%29+1%29%E6%B1%82%E4%B8%A83a%2Bb-2c%E4%B8%A8+2%29%E5%BD%93a%2Bk%2A%E5%90%91%E9%87%8Fc%E5%B9%B3%E8%A1%8C2b-a%E6%B1%82%E5%AE%9E%E6%95%B0K%E7%9A%84%E5%80%BC)
xSn@Q"<@
43vc: uQTvS$JYɤ6BtH|Ιk3^>tvWxy
Hb24,rAUhHshr8bUm^+'77폷w-W?md_g;YYFm
knu~nKDm_qvHvx;y#Dc.y+4"2
<"`^i1$b%8 e v]΄g J|,Wde@DWDF\*+ߋpbH#Y]EϮd]N^b$gglQO,`>&ӢP㢢:B>P*X@x˸?O7ݵ{-KـA