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steelboy
#1 Posted : Sunday, July 15, 2012 8:53:50 AM
Rank: Newbie

Groups: Registered Users

Joined: 7/15/2012
Posts: 1

Can anyone explain me how to do this question please 

Express  f(z)=z^3-3z^2+3z/(z-1)^3 in the form f(z)=az(z+1)/(z-1)^3+bz/(z-1)^2z/(z-1)
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