# Laurent Series for f(z)=(1+2z)/(z^2+z^3)

by opticaltempest
Tags: 2z or z2, laurent, series
 P: 135 Would anyone be willing to check and comment on my work for finding the Laurent series of $$f(z)=\frac{1+2z}{z^2+z^3}$$ ? Page 1 - http://img23.imageshack.us/img23/7172/i0001.jpg Page 2 - http://img5.imageshack.us/img5/2140/i0002.jpg Page 3 - http://img15.imageshack.us/img15/2753/i0003.jpg I also displayed the pages below. Page 1 Page 2 Page 3 Thanks in advance!