My table of Integrals has the general situation ##int frac dx x^2+a^two ## being a 'conventional' integral way too, not just the case the place ##a=one##. But I do think this becoming a Calculus research problem it is anticipated on the OP to determine how to make it happen. Hints https://gabletoppak.com/free-water-advertising-a-sustainable-and-emotional-path-to-powerful-brand-recognition/