Soon After discovering the constants A and B It is somewhat easy to compute the integral ##int frac dx x^2 + 9 ## as it may possibly now be published as two easier integrals. I attempted but I are not able to see how ##A,B## are constants? This is certainly https://gabletoppak.com/elevate-your-brand-with-gable-top-paks-white-label-water-packaging/