The Chief Examiner reported that majority of the candidates attempted this question and they performed well in it. Candidates were reported to have used either the expansion method or Pascal’s triangle to obtain 3 =  
= 3 + 3  + ³ = 14.  Similarly,  =
3 -  + ³ +  - ³ = 14  - 1.  This implied that 3 + 3 = 14 + 14  = 2.