Just after getting the constants A and B It is really rather very simple to compute the integral ##int frac dx x^two + 9 ## as it can now be penned as two more simple integrals. I tried but I can't see how ##A,B## are constants? Influence of Glass with https://gabletoppak.com/what-makes-gabletop-pak-cartons-a-better-choice-than-plastic-bottles/