COMEDK2023MathematicsDifferential Equations
The differential equation of all non-vertical lines in a plane is
Options
- Ad^2 y d x^2 =0
- Bd^2 x d y^2 =0
- Cd y d x =0
- Dd x d y =0
Correct answer
A. d^2 y d x^2 =0
Step-by-step solution
The general equation of all non-vertical lines in a plane is a x+b y=1 , where b 0 . On differentiating both sides w.r.t. x , we get a+b d y d x =0 Again, differentiating w.r.t x , we get aligned & b d^2 y d x^2 d^2 y d x^2 =0 & [ b 0] aligned