# adj $\begin {bmatrix} 1 & 0 & 2 \\ -1 & 1 &-2 \\ 0 & 2 & 1 \end {bmatrix}=\begin {bmatrix} 5 & a & -2 \\ 1 & 1 &0 \\ -2 & -2 & b \end {bmatrix}$ then $[a \quad b]$ is equal to :

$\begin {array} {1 1} (a)\;[-4 \quad 1] & \quad (b)\;[-4 \quad -1] \\ (c)\;[4 \quad 1] & \quad (d)\;[4 \quad -1] \end {array}$

## 1 Answer

$(c)\;[4 \quad 1]$
answered Feb 27, 2014 by

0 answers