Question

If A = \(\begin{bmatrix} 3 &8 &1 \\[0.3em] 2 &-6 &3 \\[0.3em] 7 &4 &-5 \end{bmatrix}\), B = \(\begin{bmatrix} 4 &0 &2 \\[0.3em] 6 &2 &3 \\[0.3em] 1 &3 &2 \end{bmatrix}\). verify 3(A + B) = 3A + 3B.

Answer 1

From Equations (1) & (2) we get

3(A + B) = 3A + 3B.