My Table of Integrals has the final scenario ##int frac dx x^two+a^2 ## being a 'typical' integral too, not only the situation where ##a=1##. But I feel this staying a Calculus research challenge it is expected on the OP to determine how to do it. Hints got above. Effects of https://gabletoppak.com/free-water-campaign-advertise-your-brand/