已知两条直线L1:ax-by+4=0和L2:(a-1)x+y+b=0,L1垂直L2…
已知两条直线L1:ax-by+4=0和L2:(a-1)x+y+b=0,L1垂直L2…
已知两条直线l1:ax-by+4=0 l2:(a-1)x+y+b=0.l1与l2平行,并且坐标原
已知两直线L1:ax-by+4=0,L2:(a-1)x+y+b=0.直线L1与L2平行,并且坐标原点到L1,L2的距离相
已知两条直线L1:aX-bY+4=0,L2:(a-1)x+y+b=0.求分别满足下列条件的a和b的值.(1)求直线L1过
已知两条直线l1:ax-by+4=0,l2:(a-1)x+y+b=0,求分别满足下列条件的a,b的值
L1:ax-by+4=0 L2:(a-1)x+y+b=0 L1、L2平行,坐标原点到两直线距离相等.求a,b
已知两直线L1:ax-by+4=0和L2:(a-1)x+y+b=0.若L1 // L2且坐标原点到两直线的距离相等,求a
已知两条直线l1:ax+3y-3=0,l2:4x+6y-1=0.若l1∥l2,则a=( )
两直线l1:ax-by+b=0和l2(a-1)x+y+b=0,若l1‖l2且l1与l2的距离为根号2/2,求a,b的值
已知直线l1:aX-2Y+4=0,l2:(a-1)X+Y+2=0,若直线l1,l2互相垂直,求l1l2的方程
直线L1:ax-by+4=0和直线L2:(a-1)x+y+b=0平行且原点两直线的距离相等,求a、b.
已知两条直线l1 x+(1+m)y+m-2=0 l2 2mx+4y+6=0.求l1垂直l2时m的