Right after getting the constants A and B It can be rather uncomplicated to compute the integral ##int frac dx x^2 + nine ## as it may possibly now be prepared as two simpler integrals. I tried but I can not see how ##A,B## are constants? Readily available in three https://gabletoppak.com/from-plastic-bottles-to-gabletop-cartons-a-step-toward-solving-the-plastic-pollution-crisis/