Evaluate the integral

You need to use integration by parts, such that:

You need to use parts again, for , such that:

You need to use integration by parts, such that:

You need to use parts again, for , such that:

Replacing back, yields:

You need to use the substitution

You need to evaluate the definite integral, using the fundamental theorem of calculus, such that:

Hence, evaluating the definite integral, using integration by parts, yields