Question 206
Multiple Choice
Find all the complex roots. Leave your answers in polar form with the argument in degrees.
-The complex fifth roots of −2i
A) 32(cos54∘+isin54∘) ,32(cos126∘+isin126∘) ,32(cos198∘+isin198∘) ,32(cos270∘+isin270∘) , 32(cos342∘+isin342∘)
B) 52(cos54∘+isin54∘) ,52(cos126∘+isin126∘) ,52(cos198∘+isin198∘) ,52(cos270∘+isin270∘) , 52(cos342∘+isin342∘)
C) 52(cos45∘+isin45∘) ,52(cos117∘+isin117∘) ,52(cos189∘+isin189∘) ,52(cos261∘+isin261∘) , 52(cos333∘+isin333∘)
D) 42(cos54∘+isin54∘) ,42(cos126∘+isin126∘) ,42(cos198∘+isin198∘) ,42(cos270∘+isin270∘) , 42(cos342∘+isin342∘)
Correct Answer:

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