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Isolated Singluar Point: Pole, Removable Single Point and Essential Single Point

1. In each case, write the principal part of the function at its isolated singular point and determine whether that point it a pole, a removable single point, or an essential singular point
{see attachment for expressions}

Please specify the terms that you use if necessary and clearly explain each step of your solution.


Solution Summary

Laurent expansions are used to examine isolated, removable and essential single points. The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.