1. The problem statement, all variables and given/known data a) Show that the magic constant of an nth order normal magic square is n(n^2+1)/2. b) Show that the center of a 3x3 must be occupied by the number 5. c) Show that in a normal magic square of 3x3 the number 1 can never occur in a corner cell. 2. Relevant equations None needed 3. The attempt at a solution I have no idea where to start.