直线(M+2)X+3MY+1=0与直线(M-2)X+(M=2)Y-3=O互相垂直,则M=?谢谢了
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 21:44:53
![直线(M+2)X+3MY+1=0与直线(M-2)X+(M=2)Y-3=O互相垂直,则M=?谢谢了](/uploads/image/z/12989013-69-3.jpg?t=%E7%9B%B4%E7%BA%BF%EF%BC%88M%2B2%EF%BC%89X%2B3MY%2B1%3D0%E4%B8%8E%E7%9B%B4%E7%BA%BF%EF%BC%88M-2%EF%BC%89X%2B%EF%BC%88M%3D2%EF%BC%89Y-3%3DO%E4%BA%92%E7%9B%B8%E5%9E%82%E7%9B%B4%2C%E5%88%99M%3D%3F%E8%B0%A2%E8%B0%A2%E4%BA%86)
x){>{]6z3B7RɎ>.D
Ĵ1#um|tva=fTO]&"/5Fjkj***@@4Ҿ Q#0Y4CJC"At}t@C}k(% :[m}~]S"N|wY-@]q.6yvP
直线(M+2)X+3MY+1=0与直线(M-2)X+(M=2)Y-3=O互相垂直,则M=?谢谢了
直线(M+2)X+3MY+1=0与直线(M-2)X+(M=2)Y-3=O互相垂直,则M=?
谢谢了
直线(M+2)X+3MY+1=0与直线(M-2)X+(M=2)Y-3=O互相垂直,则M=?谢谢了
(M+2)/(3M) = - (M+2)/(M-2)
M = -2
或 1/(3M) = -1/(M-2) 即 3M = 2-M ,M = 1/2
答 M = 2 或 1/2
(M=2 情况对应 X 和Y轴的相互垂直)