Math Chapter Wise Conic Section English MCQ UPPSC Ashram Paddhati 2021 Q.The line y = mx + c touches the ellipse 2 2 x y + = 1 a b, if Ac2 = a2 m2 + b2 Bc2 = a2 + b2 m2 C2 a c = m D2 m c = a Show answer Correct answer: c2 = a2 m2 + b2