1.

Find the value of p for which the pair of linear equation 2px +3y=7,2x+y=6 has exactly one solution

Answer»

2px+3y=7
2px+y=7/3
2x+y=7/3p
6=7/3p
6*3p=7
18p=7
p=7/18
p=0.3888888



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