Integration by Parts - Indefinite Integral
Evaluate the indefinite integral $\int xe^x dx$.
Solution
Using integration-by-parts, we get
$\int xe^x dx = f_1(x) + \int f_2(x) dx$
where, $f_1(x) = u dv$, $f_2(x) = v du$, and
$\int f_2(x) dx = xe^x - e^x + C$