My table of Integrals has the general scenario ##int frac dx x^2+a^two ## as a 'regular' integral far too, not simply the situation in which ##a=one##. But I feel this becoming a Calculus research challenge it is anticipated of the OP to determine how to make it happen. Hints were https://gabletoppak.com/kerala-high-court-says-not-to-use-plastic-bottles-at-weddings-in-state/