Concept — Regola della catena. Featured in chapters 42 Linked atoms 10 linked atoms. 42 Derivate Catalogue of composite derivatives x) Circle diagram — three links Composition with an inner product rule Derivative of (1+x²) to the tenth Derivative of arctan(√x) Derivative of e to the cos(2x) Derivative of ln(sin(x³)) The chain rule in Leibniz notation The circle diagram method