Question 2 1. Given R (A, B, C, D, E, F) and the following set of functional dependencies: F = {AEDC, BD, ECF, EDA, EB>C} a. Show that AB is a primary key of R. b. Explain why R is not in the 2NF? c. Give a decomposition of R that is in 2NF. d. Explain why R is not in 3NF? Give a decomposition of R that is in the 3NF. e