WBJEE 2019 Math Solved Paper

Question : 71 of 75

Marks: +1, -0

let x1,x2 be the roots of x2 – 3x + a = 0 and x3,x4 be the roots of x2 – 12x + b = 0. If x1<x2<x3<x4 and x1,x2, x3,x4 are in G.P. then ab equals