Question

c(n,r) please solve this ​

Answer 1

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The number of combinations of n objects taken r at a time is determined by the following formula: C(n,r)=n! (n−r)!

Answer 2

Step-by-step explanation:

The number of combinations of n objects taken r at a time is determined by the following formula: C(n,r)=n! (n−r)!