Search for question
Question

\text { 1. Given that } \mathbf{A}=\left(\begin{array}{ccc}

2 & 3 & 4 \\

-3 & -3 & -2 \\

-2 & 1 & -1

\end{array}\right) \text { determine: } (a) The matrix of cofactors C. (b) The adjoint of A. (c) The inverse of A.

Fig: 1

Fig: 2

Fig: 3

Fig: 4