second order linear differential equation
preferred label: معادله دیفرانسیل خطی مرتبه دوم @fa
type: Concept
narrower: variation of parameters method

particular solution
preferred label: جواب خصوصی @fa
type: Concept
related: variation of parameters method

variation of parameters method
related: particular solution
related: non-homogeneous differential equation
broader: second order linear differential equation
preferred label: روش تغییر پارامترها @fa
type: Concept

non-homogeneous differential equation
preferred label: معادله دیفرانسیل ناهمگن @fa
type: Concept
related: variation of parameters method