Soon after locating the constants A and B It really is comparatively simple to compute the integral ##int frac dx x^two + 9 ## as it could now be created as two more simple integrals. I tried but I cannot see how ##A,B## are constants? The gable finish roof is https://gabletoppak.com/beyond-beverages-gable-top-cartons-the-versatile-customized-packaging-solution/