Question
I. 2x2 β 5x - 12 = 0 II.
y2 β 11y + 30 = 0 In each question two equations numbered (I) and (II) are given. You should solve both the equations and mark appropriate answer.Solution
I. 2x2 β 5x - 12 = 0 => 2x2 β 8x + 3x - 12 = 0 => 2x (x β 4) + 3 (x β 4) = 0 => x = -3/2, 4 II. y2 β 11y + 30 = 0 => y2 β 6y β 5y + 30 = 0 => y (y β 6) β 5(y β 6) = 0 => y = 6, 5 Hence, x < y
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