If ω is the complex cube root of unity, find the value of (1 + ω^2)^3
If ω is the complex cube root of unity, find the value of (1 + ω2)3
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ω is the complex cube root of unity.
ω3 = 1 and 1 + ω + ω2 = 0
Also, 1 + ω2 = -ω, 1 + ω = -ω2 and ω + ω2 = -1
(1 + ω2)3
= (-ω)3
= -ω3
= -1
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