Just after obtaining the constants A and B It is rather basic to compute the integral ##int frac dx x^two + 9 ## as it may possibly now be composed as two simpler integrals. I tried but I simply cannot see how ##A,B## are constants? The gable conclusion roof is https://gabletoppak.com/choosing-between-gable-top-packaging-and-plastic-bottles-for-your-beverage-business/