My table of Integrals has the final situation ##int frac dx x^2+a^two ## as a 'typical' integral also, not only the situation wherever ##a=1##. But I feel this becoming a Calculus homework problem it is expected on the OP to figure out how to do it. Hints were given higher https://gabletoppak.com/how-telanganas-amrabad-tiger-reserve-fights-back-against-its-biggest-threat-plastic/