Einl thvalues a aah22.Ou – InterviewSolution

1.

Einl thvalues a aah22.Ou

Answer»

Given equations2x + 3y = 72ax + (a + b)y = 28

Have infinitely many solutions

Then,2/2a = 3/(a + b) = 7/28

2/2a = 7/28a = 28/7= 4

3/(a + b) = 7/28 = 1/43*4 = (a + b)4 + b = 12b = 12 - 4 = 8

Therefore, value of a = 4, b = 8

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