After getting the constants A and B it's somewhat easy to compute the integral ##int frac dx x^2 + 9 ## as it can now be published as two more simple integrals. I attempted but I cannot see how ##A,B## are constants? When the idea with the gable roof could https://gabletoppak.com/sustainable-liquid-soap-packaging-why-gabletop-cartons-are-the-eco-friendly-choice/