Determine the number of integer solutions of
x1+ x2 + x3 + x4 = 32,
where
a) xi ≥ 0, 1 ≤ i ≤ 4
b) xi ≥0, 1 ≤ i ≤ 4
c) x1,x2 ≥ 5, x3,x4 ≥ 7
d) xi ≥ 8, 1 ≤ i ≤ 4
e) xi ≥ –2, 1 ≤ i ≤ 4
f) x1, x2 , x3 >0, 0<x4 ≤ 25
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.