Find (1 + i)8 using DeMoivre's Theorem.Write 2 - 7i in polar coordinates on the complex plane.

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Robert · Accepted Answer

Find (1 + i )^8 using De Moivre's Theorem. 
Solution: 
 Given: 
(   )  
To use De Moivre’s theorem, we need to convert       to its polar form  
    √      √  
   ( )       (
 
 
)
 
 
  √ (   
 
 

 
) 
Now, using De Moivre’s theorem,

Find (1 + i ) 8 using DeMoivre's Theorem. Write 2 - 7 i in polar coordinates on the complex plane.

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