Q18. The principal argument of the complex number (1 - i√3) / (1 + i√3) is equal to:Mathematics — NUST Mock 1 — Question 18 of 200A. -2π/3B. 2π/3C. 4π/3D. 7π/6Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →