Unit I First Order Ordinary Differential Equations Exact differential equations, Equations reducible to exact form. Linear differential equations, Equations reducible to linear form, Bernoulliβs equation. (Chapter - 1) Unit II Applications of Differential Equations Applications of Differential Equations to Orthogonal Trajectories, Newtonβs Law of Cooling, Kirchhoffβs Law of Electrical Circuits, Rectilinear Motion, Simple Harmonic Motion, One dimensional Conduction of Heat. (Chapter - 2)