Soon after obtaining the constants A and B It really is comparatively easy to compute the integral ##int frac dx x^2 + nine ## as it could possibly now be published as two more simple integrals. I attempted but I cannot see how ##A,B## are constants? Whilst the thought with https://gabletoppak.com/why-gable-top-cartons-are-making-a-splash-in-the-water-industry/