Show that - P(n,n)=P(n,n-1) for all positive integers
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Answered by
2
Answer:
don't know
Step-by-step explanation:
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Answered by
1
Answer:
L.H.S
p(n,n)
= n!/[n-(n-1)]!
= n!/(n-n)!
=>. n!/1! = n!/0!
=> n!/1. = n!/1
hence n!/1 = n!/1 = P ( n,n-1) R. H S ( proved)
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