(i) x3 – 27
(ii) (x – 1) (x – 2)
(iii) 
(iv) 
(i) x3 – 27
(ii) (x – 1) (x – 2)
(iii)
(iv)
(ii) (x – 1) (x – 2)
(iii)
(iv)
(i) Let f(x) =x3 – 27
= 
= 
= 
= 
= 
= 3x2
(ii) Let f(x) = (x – 1) (x – 2)
= x2 – 2x – x + 2 = x2 – 3x + 2
= 
= 
= 
= 
= 
= 2x – 3
(iii) Let f(x) = 
= 
= 
= 
= 
= 
= 
= 
= 
= 
(iv) Let f(x) = 
= = 
= 
=
= 
= 
= 
= 
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