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What is the correct solution status for (13x+2y=31) and (6x+y=14)?

Answer and explanation

Correct answer: One unique solution

For a pair of linear equations, the condition \(a_1/a_2 \ne b_1/b_2\) indicates a unique solution. Here, \(13/6 \ne 2/1\), so the two lines intersect at exactly one point. Therefore, the correct answer is one unique solution. Infinitely many solutions require the corresponding coefficient and constant ratios to be equal, while exactly two solutions are not possible for a pair of linear equations. Exam tip: first compare \(a_1/a_2\) and \(b_1/b_2\).

Related tags

Linear EquationsUnique SolutionSolvability ConditionsPair Of EquationsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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