Expii

Integration by Parts - Expii

Integration by parts is the counterpart of the product rule for derivatives. It allows us to integrate products of functions. It is often written as \(\int f(x) g(x) \, dx = F(x) g(x) - \int F(x) g'(x) \, dx\) or \(\int u \, dv = uv - \int v\, du\).