ME AJUDEM NESSAS OPERAÇÕES DE MATEMATICA POR FAVOOR ?

(UEL) O número complexo [(1/2) + i.√3/2]² escrito na forma trigonométrica lzl . (cosΩ + i.senΩ) é

a) cos π + i . sen π

b) cos (π/6) + i . sen (π/6)

c) cos (2π/3) + i . sen (2π/3)

d) 3 . cos (2π/3) + i . sen (2π/3)

e) 2 . [cos (5π/6) + i . sen (5π/6)]

ME AJUDEM POR FAVOR, JA TENTEI RESOLVER DE TODAS AS FORMAS E NAO CONSEGUI

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