Math Chapter Wise Tangent, Normal, Increasing, Decreasing And Maxima/Minima Of A Function Of One Variable English MCQ UP PGT 2021 Q.If y = 4x – 5 is equation of the tangent to a curve y2 = ax3 + b at (2, 3), then (a, b) is equal to A(2, 7) B(2, –7) C(–2, 7) D(–2, –7) Show answer Correct answer: (2, –7)