One root of the quadratic equation x2 – 12x + a = 0, is thrice the other. Find the value of a ? December 5, 2023 – by admin 0A. 12B. 45C. 27D. 29Explanation:Let the roots of the quadratic equation be x and 3x.Sum of roots = -(-12) = 12a + 3a = 4a = 12 => a = 3Product of the roots = 3a2 = 3(3)2 = 27.