Tips - Multiplication of a Matrix by a Scalar When a matrix is multiplied by scalar $k$, the produ

Question

Tips - Multiplication of a Matrix by a Scalar When a matrix is multiplied by scalar $k$, the product will be the matrix with each of its elements multiplied by $k$. $$ \text{Example:}\hspace{0.5em} k \begin{pmatrix} e & f \ g & h \end{pmatrix} = \begin{pmatrix} ke & kf \ kg & kh \end{pmatrix} $$ If $A = \begin{pmatrix} 0 & 2 \ 1 & 3 \end{pmatrix}$ and $B = \begin{pmatrix} 1 & 7 \ 3 & 5 \end{pmatrix}$, find $B - 3A$.

Accepted Answer

$\begin{pmatrix}1&1\0&-4\end{pmatrix}$

Multiplication of a Matrix by a Scalar

Multiplication of a Matrix by a Scalar

Video Solution:

Solution:

Solution locked