若直线2x-3y-2=0与直线mx+(n+3)y+1=0垂直,且与直线2nx+my+1=0平行,则m,n分别=
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![若直线2x-3y-2=0与直线mx+(n+3)y+1=0垂直,且与直线2nx+my+1=0平行,则m,n分别=](/uploads/image/z/12668631-15-1.jpg?t=%E8%8B%A5%E7%9B%B4%E7%BA%BF2x-3y-2%3D0%E4%B8%8E%E7%9B%B4%E7%BA%BFmx%2B%28n%2B3%29y%2B1%3D0%E5%9E%82%E7%9B%B4%2C%E4%B8%94%E4%B8%8E%E7%9B%B4%E7%BA%BF2nx%2Bmy%2B1%3D0%E5%B9%B3%E8%A1%8C%2C%E5%88%99m%2Cn%E5%88%86%E5%88%AB%3D)
若直线2x-3y-2=0与直线mx+(n+3)y+1=0垂直,且与直线2nx+my+1=0平行,则m,n分别=
若直线2x-3y-2=0与直线mx+(n+3)y+1=0垂直,且与直线2nx+my+1=0平行,则m,n分别=
若直线2x-3y-2=0与直线mx+(n+3)y+1=0垂直,且与直线2nx+my+1=0平行,则m,n分别=
直线2x-3y-2=0与直线mx+(n+3)y+1=0垂直
则:2m-3(n+3)=0 ①
直线2x-3y-2=0与直线2nx+my+1=0平行
则:2m=-6n ②
把②式代入①得:-6n-3(n+3)=0
2n+n+3=0
n=-1
代入②得:m=3
所以,m=3,n=-1