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If two equations have (a₁/a₂=b₁/b₂) but (c₁/c₂) is different then what happens?

Answer and explanation

Correct answer: Lines are distinct parallel

For two equations a₁x+b₁y+c₁=0 and a₂x+b₂y+c₂=0, if a₁/a₂=b₁/b₂ but this common ratio is not equal to c₁/c₂, the coefficients of x and y are proportional while the constants are not. Consequently, one equation cannot be a complete scalar multiple of the other. The graphs therefore have the same slope but different positions, so they are distinct parallel lines. Parallel distinct lines do not share any point, which means the pair has no solution and is called inconsistent. Coincident lines require all three ratios to be equal, whereas intersecting lines require the first two ratios to be unequal. Thus option C is correct.

Related tags

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

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