Soon after obtaining the constants A and B It can be fairly uncomplicated to compute the integral ##int frac dx x^two + 9 ## as it might now be prepared as two simpler integrals. I tried but I can not see how ##A,B## are constants? , or flat. From your https://gabletoppak.com/kerala-get-ready-to-say-no-to-plastic-from-october-2/