Immediately after getting the constants A and B It is really rather uncomplicated to compute the integral ##int frac dx x^two + 9 ## as it can now be penned as two less difficult integrals. I attempted but I cannot see how ##A,B## are constants? The gable close roof is https://gabletoppak.com/sustainability-in-action-gable-top-cartons-to-save-our-oceans/