By: Carl H. Durney and Neil E. Cotter

Complex Analysis

 

 

Basic math

 

 

Roots and Powers

 

 

Nth roots
 
 
example

 

Ex:           Find the value (in polar form) of .
Ans:        
Sol'n:      First, we convert the number being raised to a power to polar form:
                       
                  Now take the power inside the parentheses and use the identity
                       
                  giving the answer: