Q90. To remove the xy-term from the equation xy – 4x – 2y = 0, what is the required angle of rotation θ?Mathematics — Conic Sections — Question 90 of 272A. θ = 30°B. θ = 45°C. θ = 60°D. θ = 75°Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →