Q142. What is the equation of the tangent to the circle x2 + y2 + 2ax + 2by = 0 at the origin?Mathematics — Conic Sections — Question 142 of 272A. x = 0B. y = 0C. ax + by = 0D. ay + bx = 0Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →