10C0 is 1
What is combination?
Combination refers to total no. of arrangement of items in different patterns where order doesn't matter. We use combination when we need to arrange r items from n no. of total items.
How to solve?
10C0 = [tex]\frac{10!}{(0!)*(10-0)!}[/tex]
Since 0! = 1
10C0 = [tex]\frac{10!}{10!}[/tex] = 1
FORMULA used above :- nCr = [tex]\frac{n!}{(r!)*(n-r)!}[/tex]
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