Right after getting the constants A and B It really is relatively straightforward to compute the integral ##int frac dx x^two + 9 ## as it can now be written as two less difficult integrals. I tried but I are unable to see how ##A,B## are constants? Front Gable: A https://gabletoppak.com/why-gable-top-cartons-are-making-a-splash-in-the-water-industry/