3 views

(A) $a_{1} \frac{d^{2} y}{d x^{2}}+a_{2} y \frac{d y}{d x}+a_{3} y=a_{4}$
(B) $a_{1} \frac{d^{3} y}{d x^{3}}+a_{2} y=a_{3}$
(C) $a_{1} \frac{d^{2} y}{d x^{2}}+a_{2} x \frac{d y}{d x}+a_{3} x^{2} y=0$

1. Non-liner differential equation
2. Linear differential equation with constant coefficients
3. Linear homogeneous differential equation
4. Non-linear homogeneous differential equation
5. Non-linear first order differential equation