After obtaining the constants A and B it's reasonably simple to compute the integral ##int frac dx x^2 + 9 ## as it might now be penned as two easier integrals. I tried but I are unable to see how ##A,B## are constants? The catering enterprise was eradicating their merchandise https://gabletoppak.com/water-in-a-sustainable-box-the-future-of-eco-friendly-hydration/