Q26. Given the parametric equations x = (1 - t2) / (1 + t2) and y = 2t / (1 + t2), find the derivative dy/dx.Mathematics — NUST Mock 9 — Question 26 of 200A. -x/yB. x/yC. -y/xD. y/xPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →