Do the following pair of linear equations have no solution? Justify your answer.
2x + 4y = 3 and 12y + 6x = 6
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Solution
Condition for no solution a1a2=b1b2≠c1c2
2x + 4y = 3 and 12y + 6x = 6 a1=2,b1=4,c1=−3a2=6,b2=12,c2=−6a1a2=26=13,b1b2=412=13,c1c2=−3−6=12a1a2=b1b2≠c1c2
Hence, the given pair of linear equations has no solution.