JEE ADVANCED 2016: Let ω≠1 be a cube root of unity and S be the set of all non-singular matrices...

Let ω≠1 be a cube root of unity and S be the set of all non-singular matrices of the form determinant(1,a ,b, omega, 1,c, omega square, omega, 1), where each of a, b, c is either ω of ω^2. Then number of distinct matrices in the set S is (A) 2 (B) 6 (C) 4 (D) 8 JEE Advance 2016, Paper-2: Answer (A)#JEEADVANCED2016 #jeeproblems #iitjee #jeeadvanced #iitjee