Given the coordinates $A(-1,3)$ and $B(0,6)$, express $\overrightarrow{AB}$ as a column vector

Question

Given the coordinates $A(-1,3)$ and $B(0,6)$, express $\overrightarrow{AB}$ as a column vector. Hence, evaluate $\left| \overrightarrow{AB} \right|$.

Accepted Answer

(a) AB = (1, 3)^T. (b) |AB| = √10 ≈ 3.16 units (3 s.f.).

Operations on Vectors: Addition and Subtraction