Sa se calculeze suma elementelor matricei AB;
A = [tex]\left[\begin{array}{ccc}2&-3&\\4&5\end{array}\right][/tex]
B = [tex]\left[\begin{array}{ccc}6&-1&\\5&8\end{array}\right][/tex]
Am aflat AB care ii [tex]\left[\begin{array}{ccc}-3&-26&\\49&36\end{array}\right][/tex] , dar nu stiu ce sa fac acuma.