Muñoz, Vicente2023-06-202023-06-2020121930-098010.4169/math.mag.85.3.211https://hdl.handle.net/20.500.14352/43814We prove the classical integration-by-parts formula without using differentiation. This provides an elementary illustration that integration by parts is valid for many non-differentiable functions. The proof is simple and accessible to undergraduates.journal articlehttp://www.jstor.org/discover/10.4169/math.mag.85.3.211?uid=37105&uid=3737952&uid=2&uid=3&uid=67&uid=37104&uid=5911096&uid=62&sid=21102276934637http://www.jstor.org/metadata only access517517.5integration by partsFunciones (Matemáticas)Matemáticas (Matemáticas)1202 Análisis y Análisis Funcional12 Matemáticas