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If, for the pair of linear equations \(a_1x+b_1y+c_1=0\) and \(a_2x+b_2y+c_2=0\), \(\frac{a_1}{a_2}=\frac{b_1}{b_2}\ne\frac{c_1}{c_2}\), what will be the solution status of the pair?

Answer and explanation

Correct answer: No solution

When \(\frac{a_1}{a_2}=\frac{b_1}{b_2}\ne\frac{c_1}{c_2}\), the two lines have the same slope but are not the same line. Hence, they are distinct parallel lines and never intersect. Therefore, the pair has no solution. Infinitely many solutions occur only when all three ratios are equal, so option C is incorrect. Exam tip: if the first two ratios are equal but the third is different, choose ‘no solution’.

Related tags

Linear EquationsSolvability ConditionsParallel LinesNo SolutionClass 10 MathematicsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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