Question

What is geometrical meaning of exact differential in maths?

Answer 1

Definition of Exact Equation

A differential equation of type. P(x,y)dx+Q(x,y)dy=0. is called an exact differential equation if there exists a function of two variables u(x,y) with continuous partial derivatives such that. du(x,y) = P(x,y)dx+Q(x,y)dy.