Question

Help and explain please. http://gyazo.com/4ba807a682e1c63dcea8433ef343555a
http://gyazo.com/00bfdd6ef589bfc6955805b6e89f929e

Answer 1

hmmm is just a plain scalar multiplication of a matrix
\(\textit{matrix scalar multiplication}
\qquad
{\color{brown}{ n}}
\begin{bmatrix}
a&b\\c&d
\end{bmatrix}
\implies
\begin{bmatrix}
{\color{brown}{ n}}\cdot a&{\color{brown}{ n}}\cdot b\\
{\color{brown}{ n}}\cdot c&{\color{brown}{ n}}\cdot d
\end{bmatrix}
\)

Answer 2

Oh.

Answer 3

So, for my questions how would I go by doing it?