Mathematics Matrices 1 Mark
Appeared in: 2026 (3 sets)
If $A = \begin{bmatrix} 1 & -2 & 3 \\ 3 & 2 & -1 \end{bmatrix}$, $B = \begin{bmatrix} 2 & 3 \\ -1 & 2 \\ 4 & -5 \end{bmatrix}$ and $C = [C_{ij}] = AB$, then $C_{12}$ is : (A) $22$ (B) $-16$ (C) $4$ (D) $0$