This arrow represents a vector. The direction is given by the arrow, while the length of the line represents the magnitude. The vector components are \(\left( \begin{array}{l} 3\\ 4 \end{array} ...

The diagram above represents a vector. The arrow displays its direction, hence this vector can be written as \(\overrightarrow {AB}\), a, or \(\begin{pmatrix} 3 \\ 4 \end{pmatrix}\). In print ...