Maverick848
New member
- Joined
- Jan 20, 2006
- Messages
- 22
Let, x1, x2 ...xn be a sequence of integers such that
(i) they all must be either -1, 0 ,1 or 2
(ii) x1 +x2 ... xn = 19, and
(iii)(x1)^2 +(x2)^2...(xn)^2 = 99
Let m and M be the minimal and maximal possible values of (x1)^3 + (x2)^3 ...(xn)^3, respectively. Then M/m =
a. 3 b. 4 c. 5 d. 6 e. 7
(i) they all must be either -1, 0 ,1 or 2
(ii) x1 +x2 ... xn = 19, and
(iii)(x1)^2 +(x2)^2...(xn)^2 = 99
Let m and M be the minimal and maximal possible values of (x1)^3 + (x2)^3 ...(xn)^3, respectively. Then M/m =
a. 3 b. 4 c. 5 d. 6 e. 7