Solution. We want to determine the integral of xe^{x^2}, i.e.:
\begin{align*}
\int xe^{x^2}dx.
\end{align*}\begin{align*}
\int xe^{x^2}dx &= \frac{1}{2} \int e^u du \\
&= \frac{1}{2}e^u + C \\
&= \frac{1}{2}e^{x^2} + C.
\end{align*}
\begin{align*}
\int xe^{x^2}dx.
\end{align*}\begin{align*}
\int xe^{x^2}dx &= \frac{1}{2} \int e^u du \\
&= \frac{1}{2}e^u + C \\
&= \frac{1}{2}e^{x^2} + C.
\end{align*}