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Find the values of α and β for which the following pair of linear equations has infinite number of solutions :2x + 3y = 7 ; 2αx + (α + β)y =28.

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Given, 2x + 3y = 7 ; 2αx + (α + β)y =28.

We know that the condition for a pair of linear equations to be consistent and having infinite number of solutions is

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