it follows that y = 1 and x is odd. If x = 1, then we obtain z = 2 from (2). From now on, we may suppose that x . 3. Hence our theorem is reduced to solving Pillai�fs equation
it follows that y = 1 and x is odd. If x = 1, then we obtainz = 2 from (2). From now on, we may suppose that x . 3. Hence our theoremis reduced to solving Pillai�fs equation