Let-a-b-c-d-e-1-and-a-b-c-d-e-5-Find-the-maximum-and-minimum-value-of-S-a-b-b-c-c-d-d-e-e-a-

Question Number 61268 by alphaprime last updated on 31/May/19

L e t a, b, c, d, e ⩾ - 1 a n d a + b + c + d + e = 5

F i n d t h e m a x i m u m a n d m i n i m u m

v a l u e o f S = (a + b) (b + c) (c + d) (d + e) (e + a)