y1=k/2=-2推出k=-4
y2=2a+b=-2...(1)
y2=a+b=-y1=-k/1=4...(2)
(1)-(2),得a=-6,从而b=10
即y1=-4/x
y2=-6x+10
将x=(y2-10)/(-6)代入y1中
y1=24/(y2-10)
y1=k/2=-2推出k=-4
y2=2a+b=-2...(1)
y2=a+b=-y1=-k/1=4...(2)
(1)-(2),得a=-6,从而b=10
即y1=-4/x
y2=-6x+10
将x=(y2-10)/(-6)代入y1中
y1=24/(y2-10)