MathematicsMedium75×since 2002Q4934The coefficients a,b,ca, b, ca,b,c in the quadratic equation ax2+bx+c=0a x^2+b x+c=0ax2+bx+c=0 are chosen from the set {1,2,3,4,5,6,7,8}\{1,2,3,4,5,6,7,8\}{1,2,3,4,5,6,7,8}. The probability of this equation having repeated roots is :A1128\frac{1}{128}1281B164\frac{1}{64}641C3256\frac{3}{256}2563D3128\frac{3}{128}1283Check answerSkip