10.8.11 Series with Complex Terms
Condition: Find all the Lauren decays of this function according to the degrees \ (\ left (z-z_ {0} \ right) \): \ [\ frac {z+1} {(2 z-1)}, \ quad z_ {0} = 2 \ Text {. } \]
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.