Q35. If x2 + y2 = a2, which of the following statements is true?Mathematics — NUST Mock By Dogers 6 — Question 35 of 200A. y' = -x/yB. y'' = -a3/y3C. yy' + (y')2 + 1 = 0D. None of the abovePractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →