EM-2127

Scalar multiplication of matrices

E Math · Secondary 4 · Hard · Scalar multiplication of matrices

1. $\begin{pmatrix}72 & 88 & 60\\48 & 68 & 44\end{pmatrix}$
2. $\begin{pmatrix}72 & 88 & 60\\12 & 17 & 11\end{pmatrix}$
3. $\begin{pmatrix}22 & 26 & 19\\16 & 21 & 15\end{pmatrix}$
4. $\begin{pmatrix}72 & 88 & 60\\36 & 51 & 33\end{pmatrix}$

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