ABSTRACT
Second order linear equations are those which can be written in the following form. y ″ + p ( x ) y ′ + q ( x ) y = 0 $$ y^{{\Prime}} + p(x)y^{\prime} + q(x)y = 0 $$ https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315183138/c768726a-487f-48b7-9265-5d998f5a19e7/content/math8_1.tif"/>
