a) Fie [tex]A=\left([tex]\begin{array}{rr}2 & -3 \\ 5 & 4 \\ 0 & -2\end{array}\right), B=\left(\begin{array}{rrr}1 & 0 & 1 \\ 0 & 1 & 0\end{array}\right)[/tex]. Calculați [tex]A+{ }^{t} B[/tex] şi [tex]B+{ }^{t} A[/tex].

b) Fie [tex]A=\left(\begin{array}{rrr}3 & 0 & 5 \\ -2 & 4 & -1\end{array}\right), B=\left(\begin{array}{rrr}-1 & 5 & 0 \\ 3 & -2 & 4\end{array}\right)[/tex]. Calculați [tex]{ }^{t}(B+A), \quad{ }^{t} A,{ }^{t} B[/tex].Ce constatați ?[/tex]