Differential Equations - Substitutions
tutorial.math.lamar.edu › Classes › DEOct 31, 2019 · v+xv′ =F (v) xv′ =F (v)−v ⇒ dv F (v) −v = dx x v + x v ′ = F ( v) x v ′ = F ( v) − v ⇒ d v F ( v) − v = d x x As we can see with a small rewrite of the new differential equation we will have a separable differential equation after the substitution. Let’s take a quick look at a couple of examples of this kind of substitution.