Q50. A point z in the complex plane satisfies the equation |(z + i)/(z - i)| = 3. This describes a circle. What is the radius of this circle?Mathematics — NUST Mock By IBAGRADS 5 — Question 50 of 200A. 3/4B. 4/3C. 3/2D. 1Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →