Just After obtaining the constants A and B It is really fairly uncomplicated to compute the integral ##int frac dx x^two + 9 ## as it could now be published as two more simple integrals. I tried but I can not see how ##A,B## are constants? Easy to use, it https://gabletoppak.com/sustainability-in-action-gable-top-cartons-to-save-our-oceans/