P(n,r)=n!(n−r)! P(n, r) = \frac{n!}{(n-r)!} P(n,r)=(n−r)!n!
Here, n=8 n = 8 n=8 and r=3 r = 3 r=3.
P(8,3)=8!(8−3)!=8×7×61=336 P(8, 3) = \frac{8!}{(8-3)!} = \frac{8 \times 7 \times 6}{1} = 336 P(8,3)=(8−3)!8!=18×7×6=336
asked by guest on Dec 27, 2024 at 8:23 pm
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