Question
Evaluate $_{n} P_{r}$ using a graphing utility.$$_{10} P_{8}$$
Step 1
The formula for permutation is given by $_{n} P_{r} = \frac{n!}{(n-r)!}$ where $n!$ is the factorial of $n$ and $(n-r)!$ is the factorial of $(n-r)$. Show more…
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