If the matrices A = bmatrix 1 & 1 & 2 1 & 3 & 4 1 & -1 & 3 bmatrix , B = adj A and C = 3A, then | adj B| |C|...

Question

If the matrices A = bmatrix 1 & 1 & 2 1 & 3 & 4 1 & -1 & 3 bmatrix , B = adj A and C = 3A, then | adj B| |C| is equal to :

Accepted Answer

(B)

JEE Main 2020 Mathematics question