Soon after obtaining the constants A and B it's reasonably uncomplicated to compute the integral ##int frac dx x^two + 9 ## as it can now be penned as two less difficult integrals. I tried but I simply cannot see how ##A,B## are constants? Effect of Glass for the Natural https://gabletoppak.com/from-plastic-bottles-to-gabletop-cartons-a-step-toward-solving-the-plastic-pollution-crisis/