(ITA 2006 - 2 fase)Sejam as matrizes: Determine o

(ITA 2006 - 2 fase)

Sejam as matrizes:

\(A = \begin{bmatrix} 1 & 0 & 1/2 & -1\\ -2 & 5 & 2 & -3\\ 1 & -1 & 2 & 1\\ -5 & 1 & 3/2 & 0 \end{bmatrix} \ e\)   \(B = \begin{bmatrix} 1 & 3 & -1/2 & 1\\ 1 & -2 & -2 & 3\\ -1 & 1 & 1 & 1\\ 5 & -1 & 1/2 & 5 \end{bmatrix}\)

Determine o elemento C₃₄ da matriz C = (A + B)^-1.