A 2a Figure 1 In Figure 1, OACB is a quadrilateral in which OA (a) Find AB in terms of a and b P is the point on OC such that OP : PC = 1:4 Given that BC = 6a + 5b B 5b 0 = 2a and OB = 5b (b) (i) prove that A, P and B are collinear, (ii) find a value of m and a value of n such that AP: PB = m : n Diagram accurate

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