Question
In Exercises $47-52,$ evaluate $_{n} C_{r}$ using the formula from this section.$$_{25} C_{0}$$
Step 1
We know that the formula for combination is given by $_{n} C_{r} = \frac{n!}{(n-r)!r!}$ where n is the total number of items and r is the number of items to choose. Show more…
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