1.

5 6 71. IfA =\left[ \begin{array}{lll}{2} & {4} & {6} \\ {3} & {5} & {7}\end{array}\right], B=\left[ \begin{array}{lll}{5} & {6} & {7} \\ {7} & {8} & {9}\end{array}\right], \text { then find } A+B

Answer»


Discussion

No Comment Found