After acquiring the constants A and B it's reasonably uncomplicated to compute the integral ##int frac dx x^two + 9 ## as it may possibly now be published as two simpler integrals. I attempted but I simply cannot see how ##A,B## are constants? This is often supported by a nicely-skilled https://gabletoppak.com/sustainability-in-action-gable-top-cartons-to-save-our-oceans/