My Desk of Integrals has the overall case ##int frac dx x^two+a^2 ## as a 'typical' integral far too, not only the situation the place ##a=1##. But I feel this getting a Calculus research dilemma it is expected of your OP to figure out how to make it happen. Hints https://gabletoppak.com/india-emerges-as-the-largest-plastic-polluter-globally/