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For (2x+3y=13) and (4x+6y=26), what is the relation among (a_1/a_2), (b_1/b_2), and the constant ratio?

Answer and explanation

Correct answer: All three ratios are equal

Here, a₁/a₂ = 2/4 = 1/2, b₁/b₂ = 3/6 = 1/2, and the ratio of the constants is 13/26 = 1/2. Hence, all three ratios are equal. This means that both equations represent the same line, so the pair has infinitely many solutions. Exam tip: When a₁/a₂ = b₁/b₂ = c₁/c₂, the two lines are coincident and the pair has infinitely many solutions.

Related tags

Linear EquationsSolvability ConditionsRatio Of CoefficientsCoincident LinesInfinitely Many SolutionsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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