") Let a, b, ce Z, a, b, c'> 0. Show that it is not necessarily true that lem(a, b, c) - god(a, by) ' d) Let a, b,c e Z, a, bc > Q. Determine conditions under which we necessarily have lem (a, b, c) - god( a, b,c) 'c) Find a solution (zo, 30, 2%) to the equation 2: + 3y + 52 - 1 such that each of zo, yo and Zo is nonzero