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write the expression in the standard form a + bi.

0 votes

write the expression in the standard form a + bi.

complex-numbers
demoivres-theorem

asked Jan 29, 2015 in PRECALCULUS by anonymous

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1 Answer

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Step 1 :

De Moivre's Theorem :

If is a complex number, then

where is a positive integer.

Step 2 :

The expression is

Apply De Moivre's theorem.

Hence,

Solution :

answered Jan 29, 2015 by Thomas Apprentice

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