Answer:
The one is
A) n(n-1)(n-2)...2×1
and the two
d.)(n+1)!/(n-1)
Explanation:
Lol I don't know what u saying
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Answers & Comments
Answer:
The one is
A) n(n-1)(n-2)...2×1
and the two
d.)(n+1)!/(n-1)
Explanation:
Lol I don't know what u saying