Q6. For the line y = mx + c to be a tangent to the circle x2 + y2 = a2, which of the following conditions must be satisfied?Mathematics — Conic Sections — Question 6 of 272A. a2(1 + m2) - c2 > 0B. a2(1 + m2) - c2 = 0C. a2(1 + m2) - c2 < 0D. c2 = a2(1 - m2)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →