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What will be the number of solutions for (x-3y=4) and (2x-6y=9)?

Answer and explanation

Correct answer: No solution

Here, \(\frac{1}{2}=\frac{-3}{-6}\), but \(\frac{4}{9}\) is different. Thus, \(\frac{a_1}{a_2}=\frac{b_1}{b_2}\ne\frac{c_1}{c_2}\), so the two lines are parallel and distinct and have no common point. Therefore, the pair has no solution. Exam tip: When \(\frac{a_1}{a_2}=\frac{b_1}{b_2}\ne\frac{c_1}{c_2}\), a pair of linear equations has no solution.

Related tags

Linear EquationsNo SolutionParallel LinesSolvability ConditionsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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