Immediately after locating the constants A and B it's somewhat easy to compute the integral ##int frac dx x^two + 9 ## as it can now be composed as two less difficult integrals. I attempted but I are not able to see how ##A,B## are constants? The short article traces https://gabletoppak.com/chikkamagaluru-dc-to-declare-mullayyanagiri-hill-station-plastic-free-zone-on-world-earth-day/