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? Gabletop Pak presents an in https://gabletoppak.com/kerala-get-ready-to-say-no-to-plastic-from-october-2/