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What is the correct conclusion by observing the equations (14x-10y=36) and (7x-5y=19)?

Answer and explanation

Correct answer: No solution

The ratios of the corresponding coefficients are \(14/7=2\) and \((-10)/(-5)=2\). However, the ratio of the constant terms is \(36/19\), which is not equal to 2. Thus, \(a_1/a_2=b_1/b_2\ne c_1/c_2\), so the two lines are parallel and distinct. Therefore, the pair has no solution. Option B would be correct only if all three ratios were equal, while option C requires the first two ratios to be unequal. Exam tip: For consistency questions, compare the three ratios in the order \(a_1/a_2\), \(b_1/b_2\), and \(c_1/c_2\).

Related tags

Pair Of Linear EquationsConditions For SolvabilityNo SolutionParallel LinesClass 10Pair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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