CALCULUS PRESENTED BY GUO CHENG GUANG（05-42）-- integral by parts

To do these four indefinite integrals we'll need to use integration by parts. This special rule, integral by parts , is derived from the product rule of derivative, is available for integrating products of two functions.Calculus--Indefinite Integrals (05-42, total: 305) Presented By Guo Cheng Guang (aged 11) and Guo Chengxi (aged 8) in English. Lessons In Mathematics and Science (Physics, Chemistry and Biology) From Primary to University Presented By Guo Cheng Guang and Guo Chengxi In English. Your comment or suggestion is very much appreciated. https://www.youtube.com/channel/UC2dG5T9SJkUFTy-h0KbVbkw