A Level Further Maths, Core Pure 2, Chapter 7 · exam-style questions with mark schemes and worked solutions · shadows of past-paper questions and new questions in the style of Edexcel, Edexcel iAL, AQA, OCR A and MEI · first-order equations by the integrating factor, second-order equations with constant coefficients (the auxiliary equation, complementary functions and particular integrals) and boundary conditions