Q25. If y = sec-1(x), what is dy/dx?Mathematics — NUST Mock By Dogers 4 — Question 25 of 200A. 1 / sqrt(x2 - 1)B. 1 / sqrt(1 - x2)C. 1 / sqrt(1 + x2)D. 1 / (|x|sqrt(x2 - 1))Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →