i have put up the question as a jpeg attachment since i dont know how to type all the math symbols.
i would appreciate any help i am quite stuck it is one of the review questions for my monday exam.
Since both of the poles are simple the resides can be calculated as follows
The residue at
In general an nth order pole's residue can be calculated using the formula from post #4 in this link
http://www.mathhelpforum.com/math-he...tml#post544571