Math Chapter Wise Complex Number, De Moivre's Theorem And Nth Root Of Unity English MCQ DSSSB PGT 2021 Q.If ω be a cube root of 1, then what is the value of (1–ω) (1–ω2) (1–ω4) (1–ω5)? A9 B8 C7 D1 Show answer Correct answer: 9