Q78. If the length of the subtangent at any point on the curve x yn = a is proportional to the abscissa, then 'n' is:Mathematics — NUST Mock By IBAGRADS 5 — Question 78 of 200A. Any non-zero real numberB. 2C. -2D. 1Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →