My table of Integrals has the general circumstance ##int frac dx x^two+a^two ## for a 'typical' integral much too, not simply the situation the place ##a=1##. But I think this becoming a Calculus research trouble it is predicted on the OP to figure out how to do it. Hints got https://gabletoppak.com/india-emerges-as-the-largest-plastic-polluter-globally/