Math Chapter Wise Complex Number, De Moivre's Theorem And Nth Root Of Unity English MCQ SECTION B PGT TIER-I 31.11.2014 Q.If ω is a cube root of unity then ω is equal to– A3 B1 i 3/2 C1 i 3/2 D1 i 3/2 Show answer Correct answer: 1 i 3/2