Evaluate r!(n−r)!n!, when n = 5, r = 2.

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Evaluate {{{n}!}}{{{r}!{({n}-{r})}!}}, when n = 5, r = 2.

Question

Evaluate $\frac{n !}{r ! ( n - r ) !}$ , when n = 5, r = 2.

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Evaluate

\frac{n !}{r ! ( n - r ) !}

, when n = 5, r = 2.

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Question Text

Evaluate

\frac{n !}{r ! ( n - r ) !}

, when n = 5, r = 2.