CALCULUS PRESENTED BY GUO CHENG GUANG（05-50）-- integral by substitution

How does the substitution technique work? Let's solve the problems[1.∫sinxcosxdx; 2. ∫(x^5)(e^2x )dx] step-by-step to make sure our understand the process.

STEP 1: - Determine which expression to be substituted

STEP 2: - Substitute, rewrite the integral in simpler form and integrate

STEP 3: - Substitute back

Calculus--Indefinite Integrals (05-50,S/N: 313) 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