Q18. Given x = (1 - t2) / (1 + t2) and y = (2t) / (1 + t2), what curve do these parametric equations represent?Mathematics — Sets, Functions and Groups — Question 18 of 232A. EllipseB. HyperbolaC. ParabolaD. CirclePractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →