Page 103 - Fixtures
P. 103
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. 2 ×C(8, 4)× 4 ! × 5! = 2 × 8! × 4! × 5! = 403200
4!×4!
8 ()
.
.3! 4!
.
. 3! × 4! = 144
( )
x1 + x2 + x3 + x4 = 11
11 11
.C(14,11) = 14! = 364
11! × 3 !
( )
: x1 + x2 + x3 + x4 + x5 = 100
.i = 2, 3, 4,5 xi ≥ 0 x1 ≥ 10 ( )
.i = 2, 3, 4,5 xi ≥ 0 x1 ≤ 80 ( )
.i = 2, 3, 4,5 xi ≥ 0 10 ≤ x1 ≤ 80 ( )
