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

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Which condition is correct for (6x+7y=31) and (12x+14y=r) to be inconsistent?

Answer and explanation

Correct answer: (r \ne 62)

The first two ratios are equal so the constant ratio must be different for inconsistency. Hence (r \ne 62).

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Linear Equations Inconsistent Parameter Conditions For Solvability Pair Of Linear Equations In Two Variables Mathematics Class 10 Mcq

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