Question: Show that for all integers n, r ¥ 0, if w + 1 > r, then P(n + 1, r):= (n + 1-r) P(n, r)

Show that for all integers n, r ‰¥ 0, if w + 1 > r, then
Show that for all integers n, r ‰¥ 0, if

P(n + 1, r):= (n + 1-r) P(n, r)

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