matriks tentukan cara 3A dab 4A

[tex]3A=3 \left[\begin{array}{ccc}2&7\\6&3\end{array}\right] = \left[\begin{array}{ccc}6&21\\18&9\end{array}\right] \\ 4A=4 \left[\begin{array}{ccc}2&7\\6&3\end{array}\right]= \left[\begin{array}{ccc}8&28\\24&12\end{array}\right][/tex]

kalikan saja ke dalam konstantanya

3A = [3 x 2   3 x 7] = [6    21]
        [3 x 6   3 x 3]    [18   9]

4A = [4 x 2  4 x 7] = [8    28]
        [4 x 6  4 x 3]    [24  12]