After locating the constants A and B It can be fairly basic to compute the integral ##int frac dx x^2 + 9 ## as it may now be penned as two easier integrals. I tried but I are not able to see how ##A,B## are constants? The lifetime of a https://gabletoppak.com/what-makes-gabletop-pak-cartons-a-better-choice-than-plastic-bottles/