10.8.12 Series with Complex Terms
Condition: Find all the Lauren decays of this function according to the degrees \ (z \): \ [\ frac {7 z+98} {49 z+7 z^{2} -2 z^{3}} \]
Expansion of Complex Functions in Laurent and Taylor Series. Both Single-Valood and Multi-Valood Function are Consedered, Indicating the Branches Along Which-Valved Functions are Taken.