Question

The differential equation of all non vertical lines in a plane is:

• A. $\frac{d^2y}{dx^2}=0$
• B. $\frac{dy}{dx}=0$
• C. $\frac{dx}{dy}=0$
• D. $\frac{dy}{dx}+x=0$

Answer 1

Answer: (A)

$\frac{d^2y}{dx^2}=0$

Answer 2

The correct option is (A): $\frac{d^2y}{dx^2}=0$