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NDA2011MathematicsDifferential EquationsActual

What is the differential equation of all parabolas whose axes are parallel to y -axis? where c is a constant.

Options

  1. Ad^3 y d x^3 =0
  2. Bd^2 x d y^2 =c
  3. Cd^3 x d y^3 =1
  4. Dd^3 x d x^3 =c

Correct answer

A. d^3 y d x^3 =0

Step-by-step solution

The correct answer is option (A).

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