# The line represented by the equation $x^2-y^2-x+3y-2=0$ are :

$\begin {array} {1 1} (a)\;x+y-1=0,x-y+2=0 & \quad (b)\;x-y-2=0,x+y+1=0 \\ (c)\;x+y+2=0,x-y-1=0 & \quad (d)\;x-y+1=0,x+y-2=0 \end {array}$

$(d)\;x-y+1=0,x+y-2=0$