Q55. If f(x) = 5 / (x2 - 1), then what is the derivative, f'(x)?Mathematics — NUST Mock 4 — Question 55 of 200A. 10x / (x2 - 1)B. -10x / (x2 - 1)2C. 10x / (x2 - 1)-2D. -10x / (x2 - 1)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →