Right after finding the constants A and B It is really comparatively simple to compute the integral ##int frac dx x^2 + nine ## as it may now be written as two less difficult integrals. I attempted but I are not able to see how ##A,B## are constants? User friendly, https://gabletoppak.com/glass-bottles-for-beer-soda-and-even-water-found-to-contain-toxic-levels-of-cancer-linked-microplastics-than-plastic-bottles-study-says/