And do an analogous thing to find ##A##. I originally assumed ##A,B## were authentic leading to difficulties. That's Once i built that comment. I realized later they could be sophisticated but it had been too late. Thanks! There appears to be no strategy for simplifying or rearranging the integral. Integration https://gabletoppak.com/supporting-sdg-14-life-below-water-through-sustainable-edible-oil-packaging-with-gabletop-cartons/