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的距离相等,求a,b的值拜
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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的距离相等,求a,b的值拜已知两直线L1:ax-by+4=0,L2:(a-1)x+y+b
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的距离相等,求a,b的值拜
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的距离相等,求a,b的值拜
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的距离相等,求a,b的值拜
a=2/3 b=2
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,并且坐标原点到l1,l2的距离相等.求a,b的值
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,且L1过点(-3,-1).求满足条件的a,b的值.
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的距离相等,求a,b的值拜
已知两直线L1:ax-by+4=0和L2:(a-1)x+y+b=0求满足下列条件的a,b值:L1已知两直线L1:ax-by+4=0和L2:(a-1)x+y+b=0求满足下列条件的a,b值:L1//L2,且坐标原点到两条直线的距离相等.
已知两直线L1:ax-by+4=0,L2:(a-1)x+y+b=0,求分别满足下列条件的a,b(1)直线L1过点(-3,-1),并且直线L1与L2垂直(2)直线L1与L2平行,并且坐标原点到L1,L2的距离相等
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,b的值?
已知直线L1:ax+by+4=0,直线L2:(1-a)x-y-b=0,直线L3:x+2y+3=0且这三条直线两两平行,求实数a,b的值
已知两条直线l1:ax+3y-3=0,l2:4x+6y-1=0.若l1//l2,则a=?
已知两条直线L1:ax+3y-3=0,L2:4x+6y-1=0.若L1平行于L2,则a=?
已知两条直线L1:ax+3y-3=0 L2:4x+6y-1=0.若L1//L2.则a?
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的值已知两直线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.(1)直线l1过点(-3,-1),并且直线l1
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的值已知两直线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.(1)直线l1过点(-3,-1),并且直线l1
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过点(-...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过点(-3,-1),
高二数学两直线的位置关系已知,两条直线L1:ax-by+4=0,L2:(a-1)x+y=0求满足直线L1过点 (-3,-1)并且直线L1与L2垂直的a,b的值
已知直线L1 :ax+by+c=0 ,直线 L2 :mx+ny+d=0 ,则“am/bn =—1 ”是“L1⊥L2”的什么条件?
已知两直线l1:ax-2y=2a-4,L2:2x+a2=2a2+4(0
已知直线l1:ax+by+4=0,l2:(a-1)x+y+b=0,若l1⊥l2,l1过点(-1,1),求a,b的值
已知直线L1:ax-by+4=0和L2:(a-1)x+y+b=0,L1⊥L2,L1过(-3,-1),求A,B的值有助于回答者给出准确的答案