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Class 10 Mathematics Pair of Linear Equations in Two Variables Conditions for solvabilityEasy

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What will (a) be for infinitely many solutions of (7x+ay=21) and (x+2y=3)?

Answer and explanation

Correct answer: (14)

The first equation must be (7) times the second so (a=14). Then both equations represent the same line.

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Linear Equations Parameter Infinite Solutions Conditions For Solvability Pair Of Linear Equations In Two Variables Mathematics Class 10 Mcq

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