If ω is the complex cube root of unity, find the value of ω^2 + ω^3 + ω^4
If ω is the complex cube root of unity, find the value of ω2 + ω3 + ω4
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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
ω2 + ω3 + ω4 = ω2 (1 + ω + ω2 )
= ω2 (0)
= 0
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