Right after finding the constants A and B It can be comparatively very simple to compute the integral ##int frac dx x^two + 9 ## as it could possibly now be composed as two more simple integrals. I tried but I can't see how ##A,B## are constants? Though the principle https://gabletoppak.com/beyond-beverages-gable-top-cartons-the-versatile-customized-packaging-solution/