Page 76 - Fixtures
P. 76
@ @VQ@ @ÖïÐaínÜaì@Þî†bjnÜa@ @
. 60 x1 + x2 + x3 + x4 = 60
x1 x2 x3 x4 60
60 . 60
63
C(63, 60) = 63 × 62 × 61 = 39711
6
:
n r
r
.n +r −1
r
n +r −1
.C(n + r − 1,r)
.
[Number of Paths] ()
4×5
