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Class 10 Mathematics Pair of Linear Equations in Two Variables Conditions for solvabilityExpert

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For infinitely many solutions of (9x+(\beta+4)y=15) and (27x+18y=45), what is (\beta)?

Answer and explanation

Correct answer: (\beta=2)

For infinitely many solutions, (\frac{9}{27}=\frac{\beta+4}{18}=\frac{15}{45}) must hold. This gives (\beta=2).

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Class10 Linear-Equations Solvability Conditions For Solvability Pair Of Linear Equations In Two Variables Mathematics Class 10 Mcq

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