Given $\mathbf{a}=\begin{pmatrix}3\-1\end{pmatrix}$ and \(\mathbf{b}=\begin{pmatrix}1\5\end{pmat

Question

Given $\mathbf{a}=\begin{pmatrix}3\-1\end{pmatrix}$ and $\mathbf{b}=\begin{pmatrix}1\5\end{pmatrix}$, find $\mathbf{a}+\mathbf{b}$, $2\mathbf{a}-3\mathbf{b}$.

Accepted Answer

(a) $\begin{pmatrix}4\4\end{pmatrix}$; (b) $\begin{pmatrix}3\-17\end{pmatrix}$.

Sec 3/4 E Math T16-Q26 - Adding and subtracting column vectors

Sec 3/4 E Math T16-Q26 - Adding and subtracting column vectors

Solution:

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