The correct option is A x+2y=42x+4y=4
For inconsistent pair of lines, a1a2=b1b2≠c1c2.
From the given options.
For x+2y=4 &2x+4y=4
12=24≠11→ Its an inconsistent pair of linear equations.
For 2x+y=−4 &3x−2y=8
23≠1−2→ Its not an inconsistent pair of linear equations.
For 2x+y=4 &2x+3y=8
22≠13≠48→Its not an inconsistent pair of linear equations.
For 4x+3y=42x+6y=8
42=36≠48→Its not an inconsistent pair of linear equations.