A) \[x+y-1=0,\,x-y+2=0\]
B) \[x-y-2=0,x+y+1=0\]
C) \[x+y+2=,0,x-y-1=0\]
D) \[x-y+1=0,x+y-2=0\]
Correct Answer: D
Solution :
The equation of pair of straight lines is \[{{x}^{2}}-{{y}^{2}}-x+3y-2=0\] This equation can be rewritten as \[(x-y+1)(x+y-2)=0\] \[\therefore \]The equation of lines which are represented by the given equation, are \[x-y+1=0\]and \[x+y-2=0\]
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