Examples 2.26 and 2.27 demonstrate integration by parts techniques for solving integrals involving polynomial and logarithmic functions.
Two examples from a calculus textbook showing integration by parts: Example 2.26 evaluates ∫x³eˣdx using successive derivatives and repeated integrals, while Example 2.27 evaluates ∫x³logx dx using u = logx and dv = x³dx.