$$\(14 A B C D E F\)$$ and $$\(G H I J K L\)$$ are regular hexagons each with centre $$\(O\)$$. GHIJKL is an enlargement of $$\(A B C D E F\)$$, with centre $$\(O\)$$ and scale factor 2 $$\(\overrightarrow{O A}=\mathbf{a} \quad \overrightarrow{O B}=\mathbf{b}\)$$ (a) Write the following vectors, in terms of $$\(\mathbf{a}\)$$ and $$\(\mathbf{b}\)$$. Simplify your answers. (i) $$\(\overrightarrow{A B}\)$$ (1) (ii) $$\(\overrightarrow{K I}\)$$ (2) (iii) $$\(\overrightarrow{L D}\)$$ (2)

Answer:

Knowledge points:

Solution: