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What will (k) be for (kx+4y=8) and (3x+2y=9) to have no solution?

Answer and explanation

Correct answer: 6

For two linear equations to have no solution, the condition is a₁/a₂ = b₁/b₂ ≠ c₁/c₂. Here, k/3 = 4/2 = 2, so k = 6. Also, 8/9 is not equal to 2; therefore, the two lines are distinct and parallel. Hence, option C is correct. Exam tip: For ‘no solution’, first equate the ratios of the coefficients of the variables and then check that the ratio of the constants is different.

Related tags

Linear EquationsParameterNo SolutionSolvability ConditionsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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