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Use De Moivre's Theorem to Simplify the Expression

Question 253

Multiple Choice

Use De Moivre's theorem to simplify the expression. Write the answer in the form a + bi.
-

A) 67,658.23 - 39,062.5i
B) 4.33 - 2.5i
C) -39,062.5 + 67,658.23i
D) -2.5 + 4.33i

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