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Black Book Advanced Problems in MathematicsMathematicsApplication of Derivatives

Let A be the point where the curve 5 ^2 x^3 + 10 x^2 + x + 2y - 4 = 0 ( R, 0 ) meets the y -axis, then the equation of tangent to the curve at the point where normal at A meets the curve again, is :

Options

  1. Ax - y + 2 = 0
  2. Bx + y - 2 = 0
  3. C2x - y + 2 = 0
  4. Dx + 2y - 4 = 0

Correct answer

C. 2x - y + 2 = 0

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