ABSTRACT
The general form of a differential equation of order n ∈ ℕ was briefly introduced in equation (4.10) of Chapter 4. The current Chapter 6 is devoted to the particular situation of linear equations of second order: ()https://www.w3.org/1998/Math/MathML">a(x)y″+b(x)y′+c(x)y=d(x),https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781351245111/eb45d1ef-ff63-41b0-9fff-0fbe1aff2b19/content/eq947.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
