From our assumption (2), all the solutions of the equation system (1) are positive. Now, assume that n > 0 and that our assumption holds for n − 1. We try to show that the result holds for n. From our assumption for n −1, we
From our assumption (2), all the solutions of the equation system (1) arepositive. Now, assume that n > 0 and that our assumption holds for n − 1.We try to show that the result holds for n. From our assumption for n −1, we