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What is the correct solution status for the equations (14x-8y+25=0) and (21x-12y+40=0)?

Answer and explanation

Correct answer: No solution

Here, \(\frac{a_1}{a_2}=\frac{14}{21}=\frac{2}{3}\) and \(\frac{b_1}{b_2}=\frac{-8}{-12}=\frac{2}{3}\), but \(\frac{c_1}{c_2}=\frac{25}{40}=\frac{5}{8}\). Since \(\frac{a_1}{a_2}=\frac{b_1}{b_2}\ne\frac{c_1}{c_2}\), the two lines are parallel and distinct, so the pair has no solution. In an exam, apply this ratio condition directly.

Related tags

Linear EquationsSolvability ConditionsParallel LinesNo SolutionConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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