Soon after discovering the constants A and B It is fairly very simple to compute the integral ##int frac dx x^two + 9 ## as it can now be prepared as two less difficult integrals. I attempted but I simply cannot see how ##A,B## are constants? These cautiously developed capabilities https://gabletoppak.com/what-makes-gabletop-pak-cartons-a-better-choice-than-plastic-bottles/