My Table of Integrals has the general scenario ##int frac dx x^two+a^two ## to be a 'regular' integral too, not only the case in which ##a=1##. But I believe this currently being a Calculus research trouble it is predicted of the OP to determine how to make it happen. Hints https://gabletoppak.com/india-emerges-as-the-largest-plastic-polluter-globally/