What is variable separable form and its example?

Variable Separable and Homogeneous

The differential equation (dy)/(dx)=(x+y-1)/(x+y+1) reduces to variable separable form by making the substitution

Show that any equation of the form yf(xy)dx+xg(xy)dy=0 can be converted to variable separable form by substitution xy=v .

Variable separable differential equation

Illustration Based on Variable Separable and Reducible to Variable Separable

Formation of Differential Equation| Variable Separable| Homogeneous form

Questions based on Variable separable differential equation

What is a joint ? Write its type with examples.