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

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For no solution in (ux+9y=7) and (4x+6y=11), what is the value of (u)?

Answer and explanation

Correct answer: (u=6)

Equating coefficient ratios, (\frac{u}{4}=\frac{9}{6}) gives (u=6). The constant ratio is different, so there is no solution.

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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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