QUESTION 13 Let \(I = \begin{pmatrix} 1 & \\ & 1 \end{pmatrix}\) and \(O = \begin{pmatrix} & 0 \\ 0 & 0 \end{pmatrix}\). (A) Let \(A = \begin{pmatrix} 1 & 3 \\ 3 & 5 \end{pmatrix}\) and \(B = \begin{pmatrix} x & 3 \\ 3 & 6 \end{pmatrix}\). Find the value of
QUESTION 13 Let \(I = \begin{pmatrix} 1 & \\ & 1 \end{pmatrix}\) and \(O = \begin{pmatrix} & 0 \\ 0 & 0 \end{pmatrix}\). (A) Let \(A = \begin{pmatrix} 1 & 3 \\ 3 & 5 \end{pmatrix}\) and \(B = \begin{pmatrix} x & 3 \\ 3 & 6 \end{pmatrix}\). Find the value of