Evaluate the integral

To evaluate, apply integration by parts intu dv = uv  -int vdu.

So let

and

Then, differentiate u and integrate dv.

and

And, plug-in them to the formula. So the integral becomes:

...

To evaluate, apply integration by parts intu dv = uv  -int vdu.

So let

and

Then, differentiate u and integrate dv.

and

And, plug-in them to the formula. So the integral becomes:

Therefore,   .