向量a的模等于2,向量b的模等于3,向量a与向量b的夹角为60度,向量c等于5倍的向量a与3倍的向量b的和,向量d等于3倍的向量a与k倍的向量b的和,当实数k为何值时,(1)向量c平行向量d(2)向量c垂直
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 12:54:39
![向量a的模等于2,向量b的模等于3,向量a与向量b的夹角为60度,向量c等于5倍的向量a与3倍的向量b的和,向量d等于3倍的向量a与k倍的向量b的和,当实数k为何值时,(1)向量c平行向量d(2)向量c垂直](/uploads/image/z/4034278-46-8.jpg?t=%E5%90%91%E9%87%8Fa%E7%9A%84%E6%A8%A1%E7%AD%89%E4%BA%8E2%2C%E5%90%91%E9%87%8Fb%E7%9A%84%E6%A8%A1%E7%AD%89%E4%BA%8E3%2C%E5%90%91%E9%87%8Fa%E4%B8%8E%E5%90%91%E9%87%8Fb%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA60%E5%BA%A6%2C%E5%90%91%E9%87%8Fc%E7%AD%89%E4%BA%8E5%E5%80%8D%E7%9A%84%E5%90%91%E9%87%8Fa%E4%B8%8E3%E5%80%8D%E7%9A%84%E5%90%91%E9%87%8Fb%E7%9A%84%E5%92%8C%2C%E5%90%91%E9%87%8Fd%E7%AD%89%E4%BA%8E3%E5%80%8D%E7%9A%84%E5%90%91%E9%87%8Fa%E4%B8%8Ek%E5%80%8D%E7%9A%84%E5%90%91%E9%87%8Fb%E7%9A%84%E5%92%8C%2C%E5%BD%93%E5%AE%9E%E6%95%B0k%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%EF%BC%881%EF%BC%89%E5%90%91%E9%87%8Fc%E5%B9%B3%E8%A1%8C%E5%90%91%E9%87%8Fd%EF%BC%882%EF%BC%89%E5%90%91%E9%87%8Fc%E5%9E%82%E7%9B%B4)
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