Algebraic Techniques, SMB-031 Simplify the expression `(3a^2)/(12b^4) -: (9a^3)/(4b)` (2 marks) Show Answers Only `1/(9ab^3)` Show Worked Solution `(3a^2)/(12b^4) -: (9a^3)/(4b)` `=(3a^2)/(12b^4) xx (4b)/(9a^3)` `=(3xxa^2 xx 4xxb)/(3 xx 4xxb^4xx3xx3xxa^3` `=1/(9ab^3)`