Following discovering the constants A and B It is fairly uncomplicated to compute the integral ##int frac dx x^2 + 9 ## as it can now be prepared as two simpler integrals. I tried but I are unable to see how ##A,B## are constants? The gable stop roof is usually https://gabletoppak.com/sustainability-in-action-gable-top-cartons-to-save-our-oceans/