Please explain how this was done and show your steps.

2. Show the first, second and third normal forms for this relation. X-> Y means that Y is fully functionally dependent on X. X -> Y, Z means that both Y and Z are independently fully functionally dependent on X. Xand Y->Z means that if I know both X and Y, I know Z. Be sure that you write the relations using all appropriate notations. Note that by default all attributes are dependent on the composite primary key. Primary keys are underlined. The relation: REL1 (A, B, C, D, E, F, G, H, I) The dependencies: A-> D, E,H Band C->I G->F E-> H