Right after discovering the constants A and B it's somewhat uncomplicated to compute the integral ##int frac dx x^two + 9 ## as it may now be prepared as two easier integrals. I attempted but I cannot see how ##A,B## are constants? The post traces the background of packaging from https://gabletoppak.com/why-gabletop-cartons-outshine-pet-bottles-for-branding-opportunities/