Q92. If y = (cos-1x)2, then the expression (1 − x2)y'' is equal to:Mathematics — NUST Mock 8 — Question 92 of 200A. x y' + 2yB. x y' + 2C. −x y' + 2yD. −x y' + 2Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →