on comparing the ratios of the coefficient s, find out whether the pair of equations x-2y =0 is consistent or inconsistent.
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x – 2y = 0 3x + 4y - 20 = 0 1313 ≠ −24−24 As, a1a2a1a2 ≠ b1b2b1b2 is one condition for consistency. Therefore, the pair of equations is consistent
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