Exercise 5: 10 points Find all (x, y) e N2 that satisfy the system of equations: 3:2 y2 = 5440 gcdmy) = 8 Exercise 6: 10 points Let n be a natural number. We dene A = n a l and B = n2 a 3n + 6. Show that gcd(A,B) = gcd(A,4)