Right after getting the constants A and B it's rather simple to compute the integral ##int frac dx x^2 + nine ## as it may possibly now be composed as two easier integrals. I attempted but I can not see how ##A,B## are constants? Gable roofs are simple and easy https://gabletoppak.com/from-plastic-bottles-to-gabletop-cartons-a-step-toward-solving-the-plastic-pollution-crisis/