Q.The pair of lines $x^2 - 3xy + 2y^2 + x - y = 0$ is

perpendicular

parallel

coincident

none

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.The pair of lines x2−3xy+2y2+x−y=0x^2 - 3xy + 2y^2 + x - y = 0x2−3xy+2y2+x−y=0 is