SOLUTION: ____is the number of combinations if r is equal to zero
Algebra.Com
Question 1173604: ____is the number of combinations if r is equal to zero
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
nCr = n!/((n-r)!r!) and if r=0 this becomes n!/((n!)0!) = n!/n! = 1
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