What is the value of \({\left( {\frac{{ - 1 + i\sqrt 3 }}{2}} \right)^ – McqOptions

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1.	What is the value of \({\left( {\frac{{ - 1 + i\sqrt 3 }}{2}} \right)^{3n}} + {\left( {\frac{{ - 1 - i\sqrt 3 }}{2}} \right)^{3n}}\) ?Where \(i = \sqrt { - 1} ?\)
A.	3
B.	2
C.	1
D.	0
Answer» C. 1

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