$\"\"$

The integral is $\"\"$ .

To evaluate the integral based on integration by parts, the integral is should be in the form of $\"\"$ .

In the integral, $\"\"$ is the most complicated portion of the integrand and its fits to a basic integration rule and the derivative of $\"\"$ is simpler.

So, $\"\"$ and $\"\"$ .

$\"\"$

$\"\"$ and $\"\"$ .