Just after obtaining the constants A and B It truly is reasonably straightforward to compute the integral ##int frac dx x^two + nine ## as it might now be penned as two simpler integrals. I attempted but I simply cannot see how ##A,B## are constants? In distinction to the RSC, https://gabletoppak.com/from-plastic-bottles-to-gabletop-cartons-a-step-toward-solving-the-plastic-pollution-crisis/