Following getting the constants A and B It can be somewhat very simple to compute the integral ##int frac dx x^two + 9 ## as it may possibly now be prepared as two less difficult integrals. I attempted but I can't see how ##A,B## are constants? Photon 'time bins' and https://gabletoppak.com/how-i-integrated-branding-and-design-with-an-indian-paper-bottle-manufacturer/