1/4 Marks
13/29 Marks
The diagram shows OA = a and OB = b
a) Write AB in terms of a and b.
Simplify your answer.
Note: Ignore arrows above vectors eg write AB, not AB
b-a
b) The point B divides AC in the ratio 2 : 3.
Work out vector OC in terms of a and b.
Simplify your answer.