© SE Production Limited 10 All Rights Reserved 2021 6 . Let 2 9 ( ) ( 4 )( 5 2 ) x f x x x � � � � , 5 2 x � , 4 x � . ( ) f x can be expressed in the form 4 5 2 B C A x x � � � � . ( a ) Find the values of A , B and C . [ 6 ] Let 1 ( ) ( ) gx f x �� . ( b ) Show that ( ) gx has no vertical asymptote . [ 1 ]