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

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What is (s) for no solution in (sx+4y=12) and (21x+12y=40)?

Answer and explanation

Correct answer: (s=7)

Equating coefficient ratios, (\frac{s}{21}=\frac{4}{12}) gives (s=7). The constant ratio is not equal.

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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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