SOLUTION: Find all the sixth roots of (12+5i).
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Question 421149: Find all the sixth roots of (12+5i).
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
==>
Let be the angle in quadrant 1 such that and , or . Then
<==> by de Moivre's Theorem.
This is the principal 6th root. The other roots are given by
, letting n = 1,2,3,4,5.
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