Answer
$\frac{3}{5}\mathbf{i}-\frac{4}{5}\mathbf{j}$
Work Step by Step
Therefore,
$\begin{align}
& \left\| \mathbf{v} \right\|=\sqrt{{{3}^{2}}+{{\left( -4 \right)}^{2}}} \\
& =5
\end{align}$
So,
$\frac{\mathbf{v}}{\parallel \mathbf{v}\parallel }=\frac{3}{5}\mathbf{i}-\frac{4}{5}\mathbf{j}$
